Engine Components

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    • (0 reviews)
      # 120719683
      GMC Topkick 1985, 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 reliability.
      Develop 550 Plus HorsepowerFull Time Power Everytime You Hit The Gas Pedal
      $3,398.35 - $3,929.35
    • (0 reviews)
      # 120720307
      GMC Topkick 5.7L With Small Block Engine 1985, 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...
      New 3-Lobe Rotor Assembly200 To 300 Horsepower Increase
      $3,823.15 - $4,141.75
    • (0 reviews)
      # 120719932
      GMC Topkick 5.7L With Small Block Engine 1985, Pro-Street Supercharger Kit by Weiand®. Weiand Pro-Street superchargers represent a significant leap in technology for obtaining substantial performance gains, while maintaining drive...
      Made with precision and quality in mindBuilt to last
      $1,777.95 - $2,021.95
    • (0 reviews)
      # mpn359113764
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, BB-2 Xtra™ Series Complete Cylinder Head by Brodix®. The BB-2 X head works well with a light car or large engine (509-555 cu in). It has a 340 cc intake port and flows over 360 cfm...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,046.18
    • (0 reviews)
      # 556676211
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, Classic Series Valve Cover Set by Edelbrock®. Edelbrock first made these aluminum valve covers in the late '50s and they're still a classic. Made of heavy-gauge sand-cast aluminum,...
      Made of heavy-gauge sand-cast aluminumCompliant with the strictest standards for quality
      $205.95 - $271.95
    • (0 reviews)
      # mpn3643068467
      GMC Topkick 8.2L With Chevy Big Block Mark IV With Shaft Rocker Arm Mounting Style 1985, Performer RPM CNC Complete Satin Cylinder Head by Edelbrock®. Performer RPM heads are perfect for street performance, daily drivers, street rods...
      The finest quality at a great priceEdelbrock carry everything needed to complete the job
      $1,186.50
    • (0 reviews)
      # 85111327
      GMC Topkick 1985, 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 product is definitely what you need....
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      +2
      $27.13 - $81.94
    • (0 reviews)
      # 715971557
      GMC Topkick 7.0L 1985, 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 fit the...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $45.45 - $109.77
    • (0 reviews)
      # 403650604
      GMC Topkick 1985, 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 - $319.95
    • (0 reviews)
      # mpn358595580
      GMC Topkick 5.7L Big Block Chevy 1985, 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 improved with...
      Premium iron alloyPriority main oiling for improved reliability
      $2,383.97
    • (0 reviews)
      # 757165750
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, BB-2 Plus™ Series Aluminum Cylinder Heads by Brodix®. The BB-2 and BB-2 Plus heads work well with a heavy car and smaller engine (427-509 cu in). The BB-2 has a 305 cc intake port and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $721.51 - $1,046.18
    • (0 reviews)
      # mpn359113776
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, BB-2 Plus™ Series Complete Cylinder Head Top-End Package by Brodix®. Brodix top-end packages include: Fully assembled Brodix cylinder heads, Spark plugs, Head gaskets, intake gaskets,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,987.50
    • (0 reviews)
      # 757066899
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, BB-3 Xtra™ Series Aluminum Cylinder Heads by Brodix®. The BRODIX BB-3 XTRA has taken the conventional big block to the next level. These cylinder heads feature a valve angle that is...
      High-velocity intake ports* New fuel-efficient chambers
      $1,059.27 - $2,145.98
    • (0 reviews)
      # 757112868
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, Race-Rite™ Series Aluminum Cylinder Heads by Brodix®. The most important improvement is that the exhaust ports are in the stock location eliminating header or manifold interference....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $749.93 - $1,087.51
    • (0 reviews)
      # 757176732
      GMC Topkick 6.0L / 7.0L With Chevy Big Block 1985, SR 20 Series Aluminum Cylinder Heads by Brodix®. This new offering raises the bar to a level that is unreachable by the competition! Inspired by TPSA technology, the SR 20 surpasses any...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,549.91 - $3,098.45
    • (0 reviews)
      # mpn358595520
      GMC Topkick 7.0L Big Block Chevy 1985, Iron Eagle Bare Cylinder Head by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...
      Standard port location and intake bolt pattern fit most manifoldsPushrod holes are enlarged for clearance with high ratio rocker arms
      $736.85
    • (0 reviews)
      # 335713248
      GMC Topkick 5.7L Small Block Chevy 1985, 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)
      # mpn358595524
      GMC Topkick 7.0L Big Block Chevy 1985, Iron Eagle Pro CNC Cylinder Head by Dart®. Dart's Iron Eagle Pro cylinder heads for big block Chevy engines offer an array of features for racers and street performance enthusiasts. High efficiency...
      Valve angles rolled two degrees from stock to reduce chamber volume and improve flowPrecision machined combustion chambers for optimal burn control
      $1,767.85
    • (0 reviews)
      # mpn358595439
      GMC Topkick 5.7L Small Block Chevy 1985, 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 angle...
      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)
      # 335699670
      GMC Topkick 1985, Cylinder Head by Chevrolet Performance®. Vortec Heads can be mildly ported for additional performance and milled for increased compression ratio. The Vortec Heads come with intake and exhaust valves to complement the...
      High quality at an affordable priceExpertly made from premium materials
      $635.24 - $771.57
    • (0 reviews)
      # 335699889
      GMC Topkick 1985, High Performance Racing Aluminum Cylinder Head by Flo-Tek®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $299.00 - $759.00
    • (0 reviews)
      # 335712499
      GMC Topkick 5.7L With Chevy Small Block 1985, 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 looking for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $349.00 - $654.00
    • (0 reviews)
      # 342644239
      GMC Topkick 5.7L With Chevy Small Block 1985, 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 for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $820.00 - $877.00
    • (0 reviews)
      # 335712700
      GMC Topkick 5.7L With Chevy Small Block 1985, 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 those...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $449.00
    • (0 reviews)
      # mpn358957164
      GMC Topkick 6.0L / 7.0L With Big Block Chevy Engine 1985, Magnum 24° Oval Port Cylinder Heads by AFR®. Medium sized 290cc oval port cylinder head is recommended for moderate street or street/strip big block chevys with displacements up...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $3,203.68
    • (0 reviews)
      # 557607498
      GMC Topkick 6.0L / 7.0L With Big Block Chevy Engine 1985, Magnum 24° Rectangle Port Cylinder Heads by AFR®. MAGNUM line of cylinder heads for the big block Chevy are available in Oval Port designs with runner volumes of 265cc, 290cc,...
      Built to match your exact requirementsHigh quality you can rely on
      $2,702.18 - $3,964.79
    • (0 reviews)
      # 335712394
      GMC Topkick 5.7L With Chevy Small Block With Aluminium Head 1985, 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 or a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $794.37
    • (0 reviews)
      # 335712204
      GMC Topkick 5.7L With Chevy Small Block 1985, 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 your...
      SBC 23 Degree Chevy Racing Cylinder HeadsEnd pads drilled and tapped for accessories
      $506.86 - $1,145.00
    • (0 reviews)
      # 335699552
      GMC C7000 7.0L With Chevy Big Block 1985, Sniper Bare Cylinder Head by Pro-Filer®. This is where it all began. a powerful, out-of-the-box cylinder head design matched with an outstanding, unbeatable aerospace casting technology. And we...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,148.00
    • (0 reviews)
      # 335699627
      GMC C7000 7.0L With Chevy Big Block 1985, Sniper X Bare CNC Ported Cylinder Head by Pro-Filer®. The Sniper X cylinder head is the latest BBC head offered in the Sniper Series. All heads are 100% CNC ported including the chamber and...
      $1,699.00 - $2,049.00
    • (0 reviews)
      # 120720123
      GMC Topkick 1985, 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 one of these...
      Roots-type two-lobe helical rotor eliminates flexRotor setup closes tolerances for maximum boost efficiency
      $2,261.95 - $2,769.95
    • (0 reviews)
      # 778112358
      GMC C6000 / C7000 1985, Cast Oil Pan Kit by Weiand®. 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, this product by Weiand will last...
      Made with precision and quality in mindBuilt to last
      $289.95 - $299.95
    • (0 reviews)
      # mpn358960062
      GMC Topkick 6.0L / 7.0L 1985, High-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....
      Engineered to help enhance your vehicle’s performanceBuilt to offer excellent strength and reliability
      $581.39
    • (0 reviews)
      # mpn358960061
      GMC Topkick 6.0L / 7.0L 1985, 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....
      Engineered to help enhance your vehicle’s performanceBuilt to offer excellent strength and reliability
      $600.37
    • (0 reviews)
      # 778089310
      GMC Topkick 1985, 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 - $71.12
    • (0 reviews)
      # mpn474701850
      GMC C7000 7.0L 1985, Pro Series™ Oil Pan by Big End Performance®.
      High quality at an affordable priceExpertly made from premium materials
      $79.03
    • (0 reviews)
      # 778079330
      GMC Topkick 1985, Street and Strip Oil Pan by Big End Performance®.
      High quality at an affordable priceExpertly made from premium materials
      $121.90 - $146.87
    • (0 reviews)
      # mpn4513229373
      GMC Topkick 7.0L With Chevrolet Big Block 1985, 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 and high...
      Will help get the most out of your vehicleDesigned with utmost precision for perfection
      $306.39
    • (0 reviews)
      # mpn4513229305
      GMC Topkick 7.0L With Chevrolet Big Block 1985, Econo Series™ 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 and high level...
      Will help get the most out of your vehicleDesigned with utmost precision for perfection
      $300.88
    • (0 reviews)
      # mpn583863107
      GMC C7000 7.0L With Big Block Chevy Engine 1985, Front Lightweight Motor Plate by Chassis Engineering®. Designed utilizing the latest technology, this product by Chassis Engineering features premium quality and will perform better than...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $175.81
    • (0 reviews)
      # mpn583863102
      GMC C7000 7.0L With Big Block Chevy Engine 1985, Motor Plate by Chassis Engineering®. Designed utilizing the latest technology, this product by Chassis Engineering features premium quality and will perform better than advertised....
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $139.23
    • (0 reviews)
      # mpn584596238
      GMC Topkick 6.0L / 7.0L With Chevrolet Big Block 1985, 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)
      # 839879169
      GMC Topkick 6.0L / 7.0L 1985, 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, performance and reliability....
      Provides a solid connection between the transmission and the chassisEliminates torsional chassis stress, block twisting, and broken transmission cases
      $144.06 - $144.29
    • (0 reviews)
      # mpn584596237
      GMC Topkick 6.0L / 7.0L With Chevrolet Big Block 1985, 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)
      # mpn4515295855
      GMC Topkick 7.0L 1985, 12" x 36" Motor Plate by AllStar Performance®. Motor plates are used to replace the front motor mounts allowing relocation of the engine in the chassis, including lowering or when moving the engine back in the...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $106.99
    • (0 reviews)
      # mpn1422735886
      GMC Topkick 5.7L with Chevy Small Block 1985, 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 performance, then...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $75.35
    • (1 review)
      # 84405679
      GMC Topkick 1985, 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 performance, then this top-notch product...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $110.78 - $129.25
    • (0 reviews)
      # 84405700
      GMC Topkick 1985, 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 premium quality materials this Proform...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $16.16 - $23.00
    • (0 reviews)
      # mpn3444261168
      GMC Topkick 6.0L / 7.0L with Chevy Big Block Mark V 1985, Gear Drives by Milodon®. For over 40 years, Milodon Gear Drives have been acknowledged as the ultimate in quality, strength and durability whether the use be Top Fuel, Circle...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $916.51
    • (0 reviews)
      # mpn3444262024
      GMC Topkick 6.0L / 7.0L with Chevy Big Block Engine 1985, Timing Cam Gear by Milodon®. Includes bolts. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $172.95
    • (0 reviews)
      # 747520341
      GMC Topkick 6.0L / 7.0L with 0.400 Rasind Cam with Chevy Big Block Engine 1985, Timing Gear Drive Assembly by Milodon®. For over 40 years, Milodon Gear Drives have been acknowledged as the ultimate in quality, strength and durability...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $975.95
    • (0 reviews)
      # 269576942
      GMC Topkick 5.7L 1985, Aluminum Double Groove V-Belt and 5-Rib Serpentine Crank Pulley by March Performance®. Power & Amp Series Increases horsepower by reducing accessory drag. 11 H.P. at rear wheel. Design for vehicle with high...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $110.22 - $134.26
    • (0 reviews)
      # mpn477870156
      GMC Topkick 5.7L 1985, Aluminum Double Groove V-Belt and 5-Rib Serpentine Water Pump Pulley by March Performance®. Power & Amp Series Increases horsepower by reducing accessory drag. 11 H.P. at rear wheel. Design for vehicle with high...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $93.54
    • (0 reviews)
      # mpn477870095
      GMC Topkick 5.7L 1985, Aluminum Performance Series Pulley Kit by March Performance®. Performance Series Increases horsepower by reducing accessory drag. 12.5 H.P. at rear wheels typical. Eliminates belt throwith ing. Designed for normal...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $259.18
    • (0 reviews)
      # mpn477870336
      GMC Topkick 5.7L 1985, Aluminum Power and Amp Clear Series Pulley Kit by March Performance®. Finish: Clear. Power & Amp Series Increases horsepower by reducing accessory drag. 11 H.P. at rear wheel. Design for vehicle with high amperage...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $259.18
    • (0 reviews)
      # mpn477868470
      GMC Topkick 5.7L 1985, Billet Spring Loaded Belt Tensioner by March Performance®. Billet Aluminum Spring Loaded Belt Tensioner Kit for March Performance Chevy Small Block All Inclusive Kits. Fits Kit Styles: Style Track (*Street...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $298.51
    • (0 reviews)
      # mpn477870335
      GMC Topkick 5.7L 1985, Black Aluminum Alternator and Crank Power and Amp Series Pulley Kit by March Performance®. Power & Amp Series Increases horsepower by reducing accessory drag. 11 H.P. at rear wheel. Design for vehicle with high...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $138.87




    Guides & Articles

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