1991 GMC G-Series Valves & Valvetrain Parts
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COMP Cams®High Energy™ OE-Style No-Link Bar Hydraulic Roller Lifter SetGMC G-Series 4.3L With Standard Hydraulic Camshaft With 90 Degree Engine 1991, High Energy™ OE-Style No-Link Bar Hydraulic Roller Lifter Set by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to...Patented Constant Orifice Metering ValveEliminates Excessive Oiling At High Speeds$220.95 - COMP Cams®Valve Stem Oil SealGMC G-Series 1991, Valve Stem Oil Seal 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 engineering...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$5.95 - $44.95
- Dura-Bond®Rotator EliminatorGMC G-Series 7.4L 1991, Rotator Eliminator 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$4.12 - $9.60
- QualCast®High Performance™ Valve Spring RetainerGMC G-Series 4.3L / 5.0L / 5.7L / 6.2L 1991, High Performance™ Valve Spring Retainer by QualCast®. Precision Machined From Chrome Moly or Titanium, QualCast High Performance Retainers are specially designed to work with QualCast High...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$3.72
- QualCast®Hydraulic Valve LifterGMC G-Series 6.2L 1991, Hydraulic Valve Lifter 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...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$13.12
- QualCast®Valve SpringGMC G-Series 1991, Valve Spring 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 provide a...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$3.54 - $4.61
- QualCast®Valve Stem Oil SealGMC G-Series 1991, Valve Stem Oil Seal 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$0.88 - $2.24
- Chevrolet Performance®Push RodGMC G-Series 7.4L 1991, Push Rod by Chevrolet Performance®. Pushrods are that critical connection between the camshaft and the rocker arms. These seemingly innocuous parts play a very important role in the combustion process. That’s...High quality at an affordable priceExpertly made from premium materials$14.98
- Crower®Chromoly Machined 7 Degree Valve Stem KeepersGMC G-Series 5.0L / 5.7L 1991, Chromoly Machined 7 Degree Valve Stem Keepers by Crower®. Perfect combination of power and mileage with extended rpm range. Works well with stock and near-stock engines and drive trains. Crower combines...High quality at an affordable priceExpertly made from premium materials$76.45 - $77.15
- Crower®Severe-Duty™ Right Mechanical Roller LiftersGMC G-Series 5.0L / 5.7L 1991, Severe-Duty™ Right Mechanical Roller Lifters 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$141.87
- PRW®Pro Series Rocker ArmGMC G-Series 1991, Pro Series Rocker Arm by PRW®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.87 - $351.87
- PRW®Rocker Arm Stud GirdleGMC G-Series 5.0L / 5.7L 1991, Rocker Arm Stud Girdle by PRW®. PRW Billet Aluminum Stud Girdles are made from 6061-T6 aluminum, manufactured to exacting standards, and the solution to valvetrain instability. PRW stud girdles reduce...CNC machinedReduces rocker stud flex$149.20 - $157.20
- PRW®Roller Tip Rocker ArmGMC G-Series 1991, Roller Tip Rocker Arm by PRW®. PRW Pro Series Stainless Steel Rocker Arms incorporate an exceptional design that provides plenty of clearance for large diameter springs. These stud mount rocker arms are manufactured...Lightweight designPRW RockerLocs included$155.87 - $158.66
- ACDelco®Genuine GM Parts™ Valve Spring RetainerGMC G-Series 1991, Genuine GM Parts™ Valve Spring Retainer by ACDelco®. Designed utilizing the latest technology, this Camshaft Position Sensor Interrupter by ACDelco features premium quality and will perform better than advertised....Made with precision and quality in mindDesigned to meet your specific needs$4.48
- ACDelco®Genuine GM Parts™ Rocker Arm RetainerGMC G-Series 6.2L 1991, Genuine GM Parts™ Rocker Arm Retainer 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$3.56
- ACDelco®Genuine GM Parts™ Valve Stem Oil SealGMC G-Series 1991, Genuine GM Parts™ Valve Stem Oil Seal by ACDelco®. Designed utilizing the latest technology, this Camshaft Position Sensor Interrupter by ACDelco features premium quality and will perform better than advertised....Made with precision and quality in mindDesigned to meet your specific needs$2.17 - $13.85
- Pioneer Automotive®Valve Spring Retainer Keeper KitGMC G-Series 1991, Valve Spring Retainer Keeper 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.06 - $22.29
- Elgin®High Performance™ Push RodsGMC G-Series 5.0L / 5.7L 1991, High Performance™ Push Rods by Elgin®. 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$14.70
- ACDelco®Genuine GM Parts™ Exhaust ValveGMC G-Series 1991, Genuine GM Parts™ Exhaust Valve 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 mind. It...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$31.67
- Mahle®Exhaust ValveGMC G-Series 5.7L 1991, Exhaust Valve 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$7.36
- RHS®Valvetrain KitGMC G-Series 7.4L 1991, Valvetrain Kit by RHS®. Designed utilizing the latest technology, this product by RHS features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$291.95 - $454.95
- SBI®Exhaust ValveGMC G-Series 1991, Exhaust Valve by SBI®. 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 perfect...Made with precision and quality in mindDesigned to meet your specific needs$12.65 - $43.04
- SBI®Intake ValveGMC G-Series 5.7L 1991, Intake Valve by SBI®. 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$4.44
- ACDelco®Genuine GM Parts™ Valve Spring Retainer KeeperGMC G-Series 1991, Genuine GM Parts™ Valve Spring Retainer Keeper by ACDelco®. Designed utilizing the latest technology, this Camshaft Position Sensor Interrupter by ACDelco features premium quality and will perform better than...Made with precision and quality in mindDesigned to meet your specific needs$4.77
- Enginetech®OE Type Valve Stem Seal SetGMC G-Series 6.2L 1991, OE Type Valve Stem Seal Set 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....Made with precision and quality in mindDesigned to meet your specific needs$17.62
- COMP Cams®High Energy™ Retro-Fit Premium Hydraulic Lifter SetGMC G-Series 4.3L / 5.0L / 5.7L With Early Block Engine 1991, High Energy™ Retro-Fit Premium Hydraulic Lifter Set by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$137.95
- COMP Cams®Sportsman™ LifterGMC G-Series 1991, Sportsman™ Lifter 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 engineering...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$146.95 - $212.95
- COMP Cams®Ultra Pro Magnum™ Rocker Arm And Pushrod KitGMC G-Series 1991, Ultra Pro Magnum™ Rocker Arm And Pushrod Kit by COMP Cams®. Ultra Pro Magnum™ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums™, but they also take stud mount rocker...Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.$576.95
- Enginetech®Premium Umbrella Valve SealsGMC G-Series 1991, Premium Umbrella Valve Seals 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...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$10.16 - $10.75
- Enginetech®Rocker ArmGMC G-Series 1991, Rocker Arm 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$4.66 - $12.85
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1991 GMC G-Series Models
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