1988 GMC Topkick Engine Blocks
Select Your Submodel
- Darton Sleeves®Donovan™ Replacement Cylinder SleeveGMC Topkick 5.7L With Chevy Small Block Engines 1988, Donovan™ Replacement Cylinder Sleeve by Darton Sleeves®. The ASTM specifications for performance ductile iron sleeves indicates a minimum tensile strength of 100,000 pounds. Darton...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$132.66
- Dart®Special High Performance Engine BlockGMC Topkick 5.7L 1988, 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 retainer...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2,944.48
- Proform®Expansion PlugGMC Topkick 1988, 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
- Dorman®Autograde™ Expansion PlugGMC C5000 / C6000 1988, 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 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$12.77
- Dorman®Autograde™ Expansion PlugsGMC Topkick 1988, 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 - $12.82
- Billet SpeedWorks®Main Bearing Cap SetGMC Topkick 5.7L With Dry Sump / With Wet Sump With Chevy Small Block Engines 1988, Main Bearing Cap Set by Billet SpeedWorks®. Designed utilizing the latest technology, this product by Isky Racing Cams features premium quality and will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$266.90
- Dart®LS Next GEN III Cast Iron BlockGMC Topkick 5.7L 1988, 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 reliability....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 Topkick 7.0L 1988, 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 alongside...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 Topkick 5.7L 1988, 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
- Mr. Gasket®High Vacuum Rear Main SealGMC C7000 7.0L With Chevy Big Block Engine 1988, High Vacuum Rear Main Seal by Mr. Gasket®. Designed with hardcore racing junkies and high-speed street enthusiasts, this Mr. Gasket performance product is right what you need to boost...Designed to help you make the max out of your ridePerfect upgrade for race cars and muscle cars alike$49.95
- Proform®Expansion Plug InsertGMC Topkick 5.7L With Chevy Small Block Engines 1988, Expansion Plug Insert by Proform®. Official GM Licensed Product. With Raised Bowtie Emblem. Material: Billet Aluminum. Designed to Hide Unsightly Freeze Plugs On Engines. Two Per...Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle$32.94
- Dura-Bond®Oil Galley Rear Main PlugGMC Topkick 5.7L General Motors Engine 1988, 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...Made with precision and quality in mindDesigned to meet your specific needs$8.24
- QualCast®Steel Expansion Plug KitGMC Topkick 1988, 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$6.12 - $7.29