1981 GMC G-Series Performance Engine Parts

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    • (0 reviews)
      # 120721507
      GMC G3500 With Small Block Engine 1981, 6-71 Street Supercharger Kit by Weiand®. Weiand Pro-Street superchargers represent a significant leap in technology for obtaining substantial performance gains, while maintaining drive ability and...
      Develop 550 Plus HorsepowerFull Time Power Everytime You Hit The Gas Pedal
      $3,398.35 - $3,823.15
    • (0 reviews)
      # 120721536
      GMC G3500 With Small Block Engine 1981, 8-71 Street Supercharger by Weiand®. Weiand Pro-Street superchargers represent a significant leap in technology for obtaining substantial performance gains, while maintaining drive ability and...
      New 3-Lobe Rotor Assembly200 To 300 Horsepower Increase
      $3,823.15 - $4,141.75
    • (0 reviews)
      # 85102998
      GMC G-Series 5.0L / 5.7L with Chevy Small Block 1981, Officially Licensed GM Timing Cover With Logo by Proform®. Officially Licensed GM Performance Product If you are looking to enhance your vehicle's performance, then this top-notch...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      +2
      $27.13 - $81.94
    • (0 reviews)
      # 91839525
      GMC G-Series 5.0L / 5.7L 1981, High Performance Engine Timing Set by Melling®. Timing chain options include both standard and roller chains to provide matches with the high quality sprockets and if necessary tensioners and guides that...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $32.36 - $377.08
    • (0 reviews)
      # 895133042
      GMC G-Series 5.0L / 5.7L 1981, Low Profile Oil Pan by Proform®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $138.16 - $195.60
    • (0 reviews)
      # mpn1422735728
      GMC G-Series 5.0L / 5.7L 1981, Street Oil Pan by Proform®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $71.68
    • (0 reviews)
      # 403610281
      GMC G-Series 1981, Circle Track Fabricated Oil Pan Kit by Weiand®. Weiand continues to expand oil pan kit offerings. You remember the old days…. when gassers ruled the strip in the 50’s, 60’s, and early 70’s. They were nose up...
      Oil Pan Kit comes complete with the following: application specific oil pan, oil pan gasket, oil pump pickup and pan mounting bolt kitTrap door baffles keep oil under control during hard acceleration
      $273.95 - $285.95
    • (0 reviews)
      # 120721629
      GMC G-Series 1981, Drag Race Fabricated Oil Pan Kit by Weiand®. Weiand continues to expand oil pan kit offerings. You remember the old days…. when gassers ruled the strip in the 50’s, 60’s, and early 70’s. They were nose up with...
      Oil Pan Kit comes complete with the following: application specific oil pan, oil pan gasket, oil pump pickup and pan mounting bolt kitTrap door baffles keep oil under control during hard acceleration
      $253.95 - $274.95
    • (0 reviews)
      # mpn358595580
      GMC G-Series 5.0L / 5.7L Big Block Chevy 1981, Engine Block by Dart®. Dart has developed a new world of performance for metric 8.1 big block engines. The Gen 7 block has full water jackets between the cylinder bores and has been...
      Premium iron alloyPriority main oiling for improved reliability
      $2,383.97
    • (0 reviews)
      # 522601336
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, Dragon Slayer Series Cylinder Heads by Brodix®. Economical out-of-the-box horsepower is what comes to mind with this new series of Dragon Slayer heads from BRODIX.
      225cc as-cast intake ports64 or 68cc CNC-ported combustion chambers
      $1,217.66 - $1,893.70
    • (0 reviews)
      # 522529891
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, IK™ Series Aluminum Cylinder Heads by Brodix®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $923.57 - $1,431.30
    • (0 reviews)
      # 522628198
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, Track 1™ Series Aluminum Cylinder Heads by Brodix®. Brodix offers the Track 1 Series Small Block Chevy Aluminum Cylinder Heads in a variety of configurations that are ready to...
      CNC-machinedMatched high-flow intake and exhaust ports
      $2,906.96 - $3,010.98
    • (0 reviews)
      # 335650851
      GMC G-Series 5.0L / 5.7L Small Block Chevy 1981, Iron Eagle CNC Cylinder Head by Dart®. Completely CNC machined, the Iron Eagle Pro head offers ultimate consistency and performance in an iron head. With intake ports designed to optimize...
      Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components227cc ports and 72cc chambers are fully CNC machined to produce excellent airflow and fuel suspension characteristics
      $945.65 - $1,250.51
    • (0 reviews)
      # mpn358595439
      GMC G-Series 5.0L / 5.7L Small Block Chevy 1981, Pro 1 Bare Cylinder Head by Dart®. The redesigned chamber features improved fuel distribution, spark plugs are located high and as close to the center of the chamber as possible and five...
      Premium alloy: Dart aluminum heads are cast from virgin C355-T61 aerospace alloy for superior strength and integrityBolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components
      $607.84
    • (0 reviews)
      # 335684060
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, High Performance Racing Aluminum Cylinder Head by Flo-Tek®. Out of the box ready to bolt on and to close the deal, and economically priced. This premium product is the best way to go...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $299.00 - $399.00
    • (0 reviews)
      # 335684159
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, High Performance Racing As Cast Cylinder Head by Flo-Tek®. Right out of the box, these heads deliver exeptional flow numbers. This premium product is the best way to go for those...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $349.00 - $654.00
    • (0 reviews)
      # 342620235
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, High Performance Racing CNC Cylinder Head by Flo-Tek®. The superior port and chamber design offers maximum air flow. Built with various spring combinations like solid and hydraulic...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $820.00 - $877.00
    • (0 reviews)
      # 335684316
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, High Performance Racing Street Build Cylinder Head by Flo-Tek®. Right out of the box, these heads deliver exeptional flow numbers. This premium product is the best way to go for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $449.00
    • (0 reviews)
      # 245133391
      GMC G-Series With Small Block Chevy Engine 1981, Eliminator 23° LT1 Street Cylinder Heads by AFR®. AFR's LT1/LT4 SBC heads are designed for the Gen II reverse cooled SBC engine from 1992-1997. They feature all the same benefits and...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $1,906.05
    • (0 reviews)
      # 245133469
      GMC G-Series With Small Block Chevy Engine 1981, Eliminator 23° Race Cylinder Heads by AFR®. ELIMINATOR line of SBC heads feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $1,929.30 - $2,950.00
    • (0 reviews)
      # 245133748
      GMC G-Series With Small Block Chevy Engine 1981, Eliminator 23° Street Cylinder Heads by AFR®. ELIMINATOR line of SBC heads feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $1,648.03
    • (0 reviews)
      # 245133850
      GMC G-Series With Small Block Chevy Engine 1981, Eliminator 23° Vortec Cylinder Heads by AFR®. ELIMINATOR line of SBC heads feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $1,827.82
    • (0 reviews)
      # 335683962
      GMC G-Series 5.0L / 5.7L With Chevy Small Block With Aluminium Head 1981, Cylinder Head by CHI®. CHI has a small block Chevy cylinder head to suit virtually any application from a 23 degree street cruiser to a 13 degree 410 sprint car...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $794.37
    • (0 reviews)
      # 335683867
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, Bare Cylinder Head Cylinder Head by Pro-Filer®. Whether it's circle track, drag racing or street performance the Pro-Filer All-American Series SBC cylinder heads are the solution for...
      SBC 23 Degree Chevy Racing Cylinder HeadsEnd pads drilled and tapped for accessories
      $506.86 - $1,145.00
    • (0 reviews)
      # 335684693
      GMC G-Series With Chevy Small Block 1981, Pro Action™ Racing Cylinder Head by RHS®.
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $467.96 - $725.12
    • (0 reviews)
      # mpn4517286262
      GMC G-Series 5.7L 1981, Motown Iron Cylinder Head Assembly by World Products®. With 1.437" valve springs. Designed for use in racing applications where cast iron heads are mandated or for larger displacement small block street-type...
      Meticulously tested to offer unprecedented performanceGuaranteed to survive under tough racing conditions
      $604.69
    • (0 reviews)
      # 1027996877
      GMC G-Series 1981, S/R Iron Cylinder Head Assembly by World Products®. Designed specifically for racing and high performance engines. They are loaded with performance and durability enhancing features which make them far superior to OE...
      Meticulously tested to offer unprecedented performanceGuaranteed to survive under tough racing conditions
      $298.56 - $499.89
    • (0 reviews)
      # 1027989275
      GMC G-Series 5.7L 1981, Sportsman 2 Iron Cylinder Head Assembly by World Products®. The first true aftermarket performance cylinder head, good for 30-70HP over stock, and emissions legal! The industry's most popular true high...
      Meticulously tested to offer unprecedented performanceGuaranteed to survive under tough racing conditions
      $366.35 - $604.69
    • (0 reviews)
      # 64868956
      GMC G3500 With Small Block Engine 1981, Pro-Street Supercharger Kit by Weiand®. Weiand Pro-Street superchargers represent a significant leap in technology for obtaining substantial performance gains, while maintaining drive ability and...
      Made with precision and quality in mindBuilt to last
      $1,777.95 - $2,265.95
    • (0 reviews)
      # 120707360
      GMC G3500 With Small Block Engine 1981, Supercharger Case Assembly by Weiand®. Weiand superchargers can be found in all aspects of racing, from tractor pulls to the quarter mile. When you pull into your local cruise-in or dragstrip with...
      Roots-type two-lobe helical rotor eliminates flexRotor setup closes tolerances for maximum boost efficiency
      $2,261.95 - $2,769.95
    • (0 reviews)
      # 450457431
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, 671 Blower Drive Kit by BDS®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...
      High quality at an affordable priceExpertly made from premium materials
      $1,050.43 - $4,701.18
    • (0 reviews)
      # mpn1676095347
      GMC G-Series 5.0L / 5.7L 1981, Stage 1 671 Air-Loc II Polished Blower by BDS®. Billet Rotors, Billet Front Cover, Billet End Plates. This product is made of high-quality materials to serve you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $3,023.79
    • (0 reviews)
      # 403610245
      GMC G-Series 1981, Drag Race Wet Sump Oil Pan by Canton Racing®. Get the most out of your racing experience with Canton Racing. Manufactured using only premium materials and advanced technologies, this product will provide you with the...
      Made from high-grade materialsProvides efficient performance
      $248.00 - $417.00
    • (0 reviews)
      # 271444194
      GMC G-Series 1981, Standard-Volume Wet Sump Oil Pan Kit by Stef's Performance®. Designed utilizing the latest technology, this product by Stef's Performance features premium quality and will perform better than advertised. Perfect for...
      Engineered to help enhance your vehicle’s performanceBuilt to offer excellent strength and reliability
      $544.67 - $668.01
    • (0 reviews)
      # 144934907
      GMC G-Series 1981, Oil Pan by Big End Performance®. Designed utilizing the latest technology, this product by Big End Performance features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      High quality at an affordable priceExpertly made from premium materials
      $52.15
    • (0 reviews)
      # 144934959
      GMC G-Series 1981, Pro Series™ Oil Pan by Big End Performance®.
      High quality at an affordable priceExpertly made from premium materials
      $192.77
    • (0 reviews)
      # mpn474701827
      GMC G-Series 5.0L / 5.7L 1981, Street and Strip Oil Pan by Big End Performance®.
      High quality at an affordable priceExpertly made from premium materials
      $121.90
    • (0 reviews)
      # mpn4513229344
      GMC G-Series 5.0L / 5.7L With Chevrolet Small Block 1981, Econo Series™ Drag Oil Pan by Hamburger's®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...
      Will help get the most out of your vehicleDesigned with utmost precision for perfection
      $283.37
    • (0 reviews)
      # mpn584596238
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, Mid Mount Plate by Competition Engineering®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Provides a solid connection between the transmission and the chassisEliminates torsional chassis stress, block twisting, and broken transmission cases
      $193.87
    • (0 reviews)
      # 839865334
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, Motor Plate by Competition Engineering®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Provides a solid connection between the transmission and the chassisEliminates torsional chassis stress, block twisting, and broken transmission cases
      $141.63 - $203.99
    • (0 reviews)
      # mpn584596237
      GMC G-Series 5.0L / 5.7L With Chevy Small Block 1981, Replacement Mid-Mount Plate Mounting Kit by Competition Engineering®. This premium product is the best way to go for those looking for the highest quality replacement that offers...
      Provides a solid connection between the transmission and the chassisEliminates torsional chassis stress, block twisting, and broken transmission cases
      $61.84
    • (0 reviews)
      # 403601545
      GMC G-Series 5.0L / 5.7L 1981, Complete Engine and Transmission Mount Set by Energy Suspension®. Energy Suspension offers replacement mount bushings for engines, transmissions, engine subframes, differentials, transfer cases, as well as...
      Replacement mount bushings for engines, transmissions, and transfer case prevents mechanicals from shifting around on broken or weak mounts under accelerationEliminates excess stress on axles, drive shafts, and seals that can cause premature wear and leaks when mechanicals are sitting at improper angles
      $80.18
    • (0 reviews)
      # 403610551
      GMC G-Series 1981, Passenger Side Motor Mount by Energy Suspension®. Energy Suspension offers replacement mount bushings for engines, transmissions, engine subframes, differentials, transfer cases, as well as bushings and grommets for...
      Replacement mount bushings for engines, transmissions, and transfer case prevents mechanicals from shifting around on broken or weak mounts under accelerationEliminates excess stress on axles, drive shafts, and seals that can cause premature wear and leaks when mechanicals are sitting at improper angles
      $27.68
    • (0 reviews)
      # 229888264
      GMC G-Series 5.0L / 5.7L 1981, Motor Mount by UB Machine®.
      Built to match your exact requirementsHigh quality you can rely on
      $81.08
    • (0 reviews)
      # 236455177
      GMC G-Series 1981, Front Motor Plate by Pro-Werks®.
      Expert design and precision machiningMade from the highest grade materials
      $155.71
    • (0 reviews)
      # 236455182
      GMC G-Series 1981, Front Profiled Motor Plate by Pro-Werks®.
      Expert design and precision machiningMade from the highest grade materials
      $140.79 - $173.44
    • (0 reviews)
      # 246016210
      GMC G-Series 1981, Profiled Mid Motor Plate by Pro-Werks®.
      Expert design and precision machiningMade from the highest grade materials
      $227.10 - $265.59
    • (0 reviews)
      # 990419789
      GMC G-Series 5.0L / 5.7L 1981, Black Motor Plates with Bushings by AllStar Performance®. Front motor plates for SB Chevy are offered in one and two piece designs. One piece versions mount using the lower front mounting holes. Two piece...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $26.99 - $129.99
    • (0 reviews)
      # 990456857
      GMC G-Series 5.0L / 5.7L 1981, Front Aluminum Solid Plate by AllStar Performance®, 1 Piece. Front motor plates for SB Chevy are offered in one and two piece designs. One piece versions mount using the lower front mounting holes. Two...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $72.99 - $74.99
    • (0 reviews)
      # mpn1422735739
      GMC G-Series 5.0L / 5.7L with Chevy Small Block 1981, Chrome One-Piece Design Timing Cover by Proform®. If you are looking to enhance your vehicle's performance, then this top-notch product is definitely what you need. Manufactured from...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $16.16
    • (0 reviews)
      # mpn1422735886
      GMC G-Series 5.0L / 5.7L with Chevy Small Block 1981, Chrome Two-Piece Style Timing Cover by Proform®. 2-Piece Design. Finish: Chrome Plated. W/O Logo. Material: High-Quality Steel If you are looking to enhance your vehicle's...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $75.35
    • (1 review)
      # mpn358492781
      GMC G-Series 5.0L / 5.7L with Chevy Small Block 1981, Hi-Performance Timing Camshaft Gear Drive Kit by Proform®. High-Performance Under Cover Model. Dual Idler Type. Machined for Noise If you are looking to enhance your vehicle's...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $110.78
    • (0 reviews)
      # mpn3444261102
      GMC G-Series 5.0L / 5.7L with Injected or Blown Style Engine with Chevy Small Block Engine 1981, Gear Drive Assembly by Milodon®. For over 40 years, Milodon Gear Drives have been acknowledged as the ultimate in quality, strength and...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $720.00
    • (0 reviews)
      # 747489313
      GMC G-Series 5.0L / 5.7L with Chevy Small Block Engine 1981, Timing Gear Drive Assembly by Milodon®. For over 40 years, Milodon Gear Drives have been acknowledged as the ultimate in quality, strength and durability whether the use be...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $676.02 - $953.95
    • (0 reviews)
      # 452548276
      GMC G-Series 1981, Heavy Duty Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $27.08
    • (0 reviews)
      # 452560382
      GMC G-Series with Standard Engine Crankshaft to Camshaft Center Distance 4.912" 1981, Hex-A-Just™ True™ Rollers Speed Timing Set with 58 Timing Chain Link by Cloyes®. Includes: Cam Sprocket. Keep your engine’s valvetrain in...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $163.28
    • (0 reviews)
      # 452534382
      GMC G-Series 1981, Hex-A-Just™ True™ Rollers Timing Set by Cloyes®. Includes: Cam Sprocket. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $170.04 - $233.17
    • (0 reviews)
      # 85349653
      GMC G-Series 1981, Original Race True™ Rollers Timing Chain by Cloyes®. Pitch: 3/8". Rollers: Double. Includes: Cam Sprocket. Cloyes offers the most accurate, consistent, and highest quality performance cam drive components available....
      High-performance cam drive systems for high-performance street and track useSupplier of the highest quality performance timing drive systems for over 40 years
      $56.10 - $67.15
    • (0 reviews)
      # 452637541
      GMC G-Series with Standard Engine Crankshaft to Camshaft Center Distance 4.912" 1981, Original Race True™ Rollers Timing Set by Cloyes®. Includes: Cam Sprocket. Keep your engine’s valvetrain in perfect time with Cloyes, the world...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $108.73
    • (0 reviews)
      # 452625496
      GMC G-Series with Chevy Small Block 1981, Premium Race True™ Quick Button™ Timing Cover by Cloyes®. Includes: Cam Sprocket. Cloyes offers the most accurate, consistent, and highest quality performance cam drive components available....
      High-performance cam drive systems for high-performance street and track useSupplier of the highest quality performance timing drive systems for over 40 years
      $148.44 - $174.63




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