1991 GMC Syclone Engine Blocks
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Melling®Sleeve AssemblyGMC Syclone 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 wear...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 - Dorman®Autograde™ Expansion PlugGMC Syclone 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 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$1.67 - $12.77
- Dorman®Autograde™ Expansion PlugsGMC Syclone 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$10.91 - $14.17
- ACDelco®Genuine GM Parts™ Lower Engine Expansion PlugGMC Syclone 1991, Genuine GM Parts™ Lower 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.58Save: $1.23 (16%)$6.35
- Enginetech®Expansion Plug KitGMC Syclone 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 - $14.80
- Pioneer Automotive®Expansion Plug KitGMC Syclone 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$11.01 - $30.30
- QualCast®Steel Expansion Plug KitGMC Syclone 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
- Mahle®Expansion PlugGMC Syclone 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 Syclone 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 reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$8.24
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