1991 GMC G-Series Valves & Valvetrain Parts
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Enginetech®Rocker Arm Nut SetGMC G-Series 4.3L / 5.0L / 5.7L 1991, Rocker Arm Nut Set 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...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$43.57 - Enginetech®Rocker Arm StudsGMC G-Series 7.4L 1991, Rocker Arm Studs by Enginetech®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$61.25
- Enginetech®Valve SpringsGMC G-Series 1991, Valve Springs 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$9.59 - $15.61
- DNJ Engine Components®Exhaust Valve GuideGMC G-Series 7.4L 1991, Exhaust Valve Guide by DNJ Engine Components®. 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 replace your malfunctioning partsHelps get your vehicle back to it's original performance$3.67
- DNJ Engine Components®Valve Stem Oil Seal SetGMC G-Series 5.0L / 5.7L 1991, Valve Stem Oil Seal Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to...Designed to restore your vehicle's original performanceProvides superior sealing performance$17.92
- COMP Cams®Hi-Tech™ Drag Valve SpringGMC G-Series 7.4L 1991, Hi-Tech™ Drag Valve Spring by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$58.95 - $618.95
- COMP Cams®Magnum™ Rocker Arm And Pushrod KitGMC G-Series 1991, Magnum™ Rocker Arm And Pushrod Kit by COMP Cams®. These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8" stud diameter and 1.52 ratio, they are...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$357.95 - $576.95
- COMP Cams®Rocker Arm and Pushrod KitGMC G-Series 1991, Rocker Arm and Pushrod Kit by COMP Cams®. The original Aluminum Rockers changed the way racing and high performance street engine builders approached valve train design. Now, COMP Cams is revolutionizing valve train...Next gen Rockers increase engine power, enhance valve train stability & improve oilingNew extrusion based on improvements developed through FEA analysis, resulting in an even stronger, stiffer body without compromising mass$246.95 - $298.95
- COMP Cams®Super Lock™ Valve Spring Retainer LockGMC G-Series 7.4L 1991, Super Lock™ Valve Spring Retainer Lock by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and...Wider AnglePrecision Machined$11.95 - $169.95
- COMP Cams®Ultra Gold™ Aluminum Rocker ArmGMC G-Series 1991, Ultra Gold™ Aluminum Rocker Arm by COMP Cams®. The next generation of Ultra-Gold™ ARC Series Aluminum Rocker Arms from COMP Cams increase engine power, enhance valve train stability and improve oiling. They...Arced channel & contoured top create an unbeatable strength to weight ratioExclusive spiral lock type clips replace retaining clips for improved durability$47.95 - $531.95
- Melling®High Performance™ Pushrod Guide PlateGMC G-Series 5.7L 1991, High Performance™ Pushrod Guide Plate by Melling®. Melling lists several GM and Ford guide plate applications as a part of the Melling Select program.Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$9.64 - $14.29
- Melling®High Performance™ Valve Spring RetainerGMC G-Series 1991, High Performance™ Valve Spring Retainer by Melling®. Melling valve spring retainers are a critical piece of the valve spring system that provides an important part of the geometry needed to assure the best valve...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$7.14
- Melling®Oil Pressure Relief Valve SpringGMC G-Series 1991, Oil Pressure Relief Valve Spring by Melling®. 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$7.17 - $13.95
- ReplacementValve Lifter SetGMC G1500 / G2500 / G3500 4.3L 1991, Valve Lifter Set by Replacement. Engine parts play a major role in ensuring the smooth and efficient running of a vehicle, directly impacting its performance and user experience. Replacement...Cost-effective alternative to expensive OEM parts without compromising qualityExpertly crafted as a direct replacement for your vehicle's old engine partsCall for Pricing
- Dura-Bond®Spring RetainerGMC G-Series 1991, Spring Retainer 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 provide a...Made with precision and quality in mindDesigned to meet your specific needs$13.98 - $16.24
- QualCast®Exhaust Valve Seat InsertGMC G-Series 6.2L 1991, Exhaust Valve Seat Insert 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....Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$7.68
- QualCast®Self-Aligning Stamped SBC 1.5 Rocker ArmGMC G-Series 4.3L / 5.0L / 5.7L 1991, Self-Aligning Stamped SBC 1.5 Rocker Arm 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,...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$6.66
- Chevrolet Performance®Push Rod GuideGMC G-Series 1991, Push Rod Guide by Chevrolet Performance®. Designed utilizing the latest technology, this product by Chevrolet Performance features premium quality and will perform better than advertised. Perfect for your vehicle and...High quality at an affordable priceExpertly made from premium materials$7.22
- Chevrolet Performance®Valve Spring RetainersGMC G-Series With Small Block Chevy Engine 1991, Valve Spring Retainers by Chevrolet Performance®. Designed utilizing the latest technology, this product by Chevrolet Performance features premium quality and will perform better than...High quality at an affordable priceExpertly made from premium materials$5.50 - $7.47
- Chevrolet Performance®Valve SpringsGMC G-Series 1991, Valve Springs by Chevrolet Performance®. Pressure at installed height: 80# 1.700. Solid height: 1.200. Average rate (lbs in): 256. Retainer: P/N 10241744.Valve seal kit: N/A. Designed utilizing the latest technology,...High quality at an affordable priceExpertly made from premium materials$14.42
- Chevrolet Performance®Valve Stem SealGMC G-Series LT4 Engine 1991, Valve Stem Seal by Chevrolet Performance®. Used on LT4 heads and GM Performance Parts head assemblies P/N 25534421, 25534431, 12363287 and 12464298. Designed utilizing the latest technology, this product by...High quality at an affordable priceExpertly made from premium materials$4.42
- Crower®Hydraulic Roller Lifters with 0.300" Higher Link BladeGMC G-Series 7.4L 1991, Hydraulic Roller Lifters with 0.300" Higher Link Blade by Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...High quality at an affordable priceExpertly made from premium materials$1,104.64
- Crower®Valve Spring SetGMC G-Series 5.0L / 5.7L 1991, Valve Spring Set by Crower®. Designed utilizing the latest technology, this product by Crower features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...High quality at an affordable priceExpertly made from premium materials$247.89
- Isky Racing Cams®Adjustable Guide Plate SetGMC G-Series With Small Block Chevy 1991, Adjustable Guide Plate Set by Isky Racing Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$104.06
- Isky Racing Cams®Adjustable Guide PlatesGMC G-Series 4.3L 1991, Adjustable Guide Plates by Isky Racing Cams®. 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 maximize horsepower and torque of your vehicleMade with meticulous attention to detail and unmatched craftsmanship$108.53
- Isky Racing Cams®Degree Valve LocksGMC G-Series With Small Block Chevy 1991, Degree Valve Locks by Isky Racing Cams®. Designed utilizing the latest technology, this product by Isky Racing Cams features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$74.86 - $99.47
- Isky Racing Cams®Durathon™ Series LiftersGMC G-Series 1991, Durathon™ Series Lifters by Isky Racing Cams®. 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$841.60
- Isky Racing Cams®EZ-Roll Max™ Roller LifterGMC G-Series 1991, EZ-Roll Max™ Roller Lifter by Isky Racing Cams®. Introducing the revolutionary new EZ-ROLL™ bearing option, exclusively for ISKY RED-ZONE™ Roller Lifters! EZ-ROLL™ “needle-free” roller bearings solve...ISKY’S proprietary solid bearingraceway EZ-ROLL™ Bearing!Spintron® and field test proven over the past 3 years, EZ-ROLL™ bearings carry far greater loads$1,557.01 - $1,899.37
- Isky Racing Cams®EZ-Roll X™ Roller LifterGMC G-Series 7.4L 1991, EZ-Roll X™ Roller Lifter by Isky Racing Cams®. 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$1,348.62 - $1,408.76
- Isky Racing Cams®Red Zone Max™ Endurance Roller LiftersGMC G-Series 1991, Red Zone Max™ Endurance Roller Lifters by Isky Racing Cams®. Red Zone™ Roller Lifters feature the new Marathon™ Roller Bearing - the bearing that keeps on rolling longer! Marathon™ Bearings utilize a larger...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1,093.36 - $1,340.83
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1991 GMC G-Series Models
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