1991 GMC CK Pickup Engine Blocks
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Dart®Special High Performance Engine BlockGMC CK Pickup 5.0L / 5.7L 1991, Special High Performance Engine Block by Dart®. The SHP Ford Block is tailored to the most popular performance and racing applications. The valley is machined to accept factory roller lifter guides and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2,944.48 - Melling®Sleeve AssemblyGMC CK Pickup 4.3L 1991, Sleeve Assembly by Melling®. Melling sleeves are made from centrifugally cast, high strengthgray iron. It is a lower carbon iron alloyed with chromium, copper, and nickel to produce a harder (241-293 BHN) more...Universal flanged sleeves to provide extra insurance to prevent sleeve movement in performance applicationsReduce the critical factors that secure standard liners such as press fit, cylinder ledge at bottom of bore, and heat expansion rates of metals$125.58
- Darton Sleeves®Donovan™ Replacement Cylinder SleeveGMC CK Pickup 5.0L / 5.7L With Chevy Small Block Engines 1991, Donovan™ Replacement Cylinder Sleeve by Darton Sleeves®. The ASTM specifications for performance ductile iron sleeves indicates a minimum tensile strength of 100,000...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$132.66
- Dorman®Autograde™ Expansion PlugGMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500 /... 1991, Autograde™ Expansion Plug by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$1.67 - $13.13
- Dorman®Autograde™ Expansion Plug KitGMC CK Pickup 1991, Autograde™ Expansion Plug Kit by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$9.74 - $24.69
- Dorman®Autograde™ Expansion PlugsGMC CK Pickup 1991, Autograde™ Expansion Plugs by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$10.32 - $25.64
- ACDelco®Genuine GM Parts™ Engine Expansion PlugGMC CK Pickup 1991, Genuine GM Parts™ Engine Expansion Plug by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.37 - $11.22Save: up to 16%$3.71 - $9.54
- Enginetech®Expansion Plug KitGMC CK Pickup 1991, Expansion Plug Kit by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$4.35 - $17.27
- Pioneer Automotive®Expansion Plug KitGMC CK Pickup 1991, Expansion Plug Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.72 - $34.55
- DNJ Engine Components®Brass Expansion Plug KitGMC CK Pickup 1991, Brass Expansion Plug Kit by DNJ Engine Components®. Designed utilizing the latest technology, this product by DNJ Engine Components features premium quality and will perform better than advertised. Perfect for your...DNJ is your sourse for all your Engine part needs. DNJ Engine Components are backed a 12-month or 12,000-mile warranty whichever comes firstDNJ Engine Components are manufactured to meet or exceed OEM specifications and engineered by associates with ISO9001, ISO9002, OS9000 certificates$25.31 - $26.54
- QualCast®Steel Expansion Plug KitGMC CK Pickup 1991, Steel Expansion Plug Kit by QualCast®. 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. Designed to...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$5.73 - $6.12
- Moroso®Rear Main Seal AdapterGMC CK Pickup 5.0L / 5.7L 1991, Rear Main Seal Adapter by Moroso®. 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....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$225.99 - $252.99
- Proform®Expansion PlugGMC CK Pickup 1991, Expansion Plug 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 deliver...Carefully designed to improve the performance of your vehicleCrafted from first-rate materials$24.38 - $28.09
- ATP®Expansion Plug KitGMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500 /... 1991, Expansion Plug Kit by ATP®. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts specifications,...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$9.67
- Dart®LS Next GEN III Cast Iron BlockGMC CK Pickup 5.0L / 5.7L 1991, LS Next GEN III Cast Iron Block 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...Dart’s LS Next block is cast in the USA with premium cast iron alloyConventional style 4-bolt steel main caps with 7/16" bolts are used$4,654.75
- Dart®Race Series Engine BlockGMC CK Pickup 7.4L 1991, Race Series Engine Block by Dart®. The camshaft is raised 0.400" above the stock location to increase clearance for the connecting rods and crankshaft counter weights, and the main oil gallery is located...Premium alloy: Dart aluminum blocks are cast from virgin 355-T61 aerospace alloy for superior strength and integrityDuctile iron sleeves with extra thick cylinder walls promote excellent ring seal$9,720.57
- Dart®Special High Performance Pro Engine BlockGMC CK Pickup 5.0L / 5.7L 1991, Special High Performance Pro Engine Block 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...Brand new precision machined, light weight cast iron blockBillet steel main caps$3,806.23
- Enginetech®Cylinder SleeveGMC CK Pickup 1991, Cylinder Sleeve by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$11.07
- Mahle®Expansion PlugGMC CK Pickup 1991, Expansion Plug by Mahle®. 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 of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.78
- Dura-Bond®Oil Galley Rear Main PlugGMC CK Pickup 4.3L / 5.7L 1991, Oil Galley Rear Main Plug by Dura-Bond®. 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...Made with precision and quality in mindDesigned to meet your specific needs$8.24
- Billet SpeedWorks®Center Main Bearing CapsGMC CK Pickup 7.4L With Dry Sump / With Wet Sump With Chevy Big Block Engines 1991, Center Main Bearing Caps by Billet SpeedWorks®. This premium product is the best way to go for those looking for the highest quality replacement that...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$338.13 - $464.26
- Billet SpeedWorks®Main Bearing Cap SetGMC CK Pickup 5.7L With Dry Sump / With Wet Sump With Chevy Small Block Engines 1991, Main Bearing Cap Set by Billet SpeedWorks®. This premium product is the best way to go for those looking for the highest quality replacement that...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$266.90
- Mr. Gasket®Brass Freeze Plug KitGMC CK Pickup 5.0L / 5.7L With Chevy Small Block Engine 1991, Brass Freeze Plug Kit by Mr. Gasket®. Designed with hardcore racing junkies and high-speed street enthusiasts, this Mr. Gasket performance product is right what you need to...Designed to help you make the max out of your ridePerfect upgrade for race cars and muscle cars alike$34.95
- Proform®Expansion Plug InsertGMC CK Pickup 5.0L / 5.7L With Chevy Small Block Engines 1991, Expansion Plug Insert by Proform®. Official GM Licensed Product. With Raised Bowtie Emblem. Material: Billet Aluminum. Designed to Hide Unsightly Freeze Plugs On Engines....Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle$32.94
- Speedmaster®12-Point Main Bolt KitGMC CK Pickup 7.4L 1991, 12-Point Main Bolt Kit by Speedmaster®. Looking to fine-tune the performance of your vehicle from mild to wild and blow the competition away? Then, this performance upgrade from Speedmaster is right what you...Created by professionals to meet your requirementsSuperior longevity and dependability$45.80 - $74.50
- Speedmaster®12-Point Main Stud KitGMC CK Pickup 1991, 12-Point Main Stud Kit by Speedmaster®. Looking to fine-tune the performance of your vehicle from mild to wild and blow the competition away? Then, this performance upgrade from Speedmaster is right what you need....Created by professionals to meet your requirementsSuperior longevity and dependability$40.90 - $62.50
- PCE®Oil Flow Restrictor Kit (Chevy Small Block Gen I)Oil Flow Restrictor Kit by PCE®. When roller rocker arms are installed, along with a mechanical lifter cam, the amount of oil flow required to the valvetrain is greatly reduced. Installing a PCE oil restrictor kit will limit this...Expertly Crafted from the highest grade materialsDesigned with breakthrough technology$17.20
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1991 GMC CK Pickup Models
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