1990 GMC G-Series Exhaust Headers & Manifolds
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Nickson®Exhaust Manifold InsulatorExhaust Manifold Insulator by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$6.02 - PAI®Exhaust Manifold KitExhaust Manifold Kit by PAI®. 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 industry-leading...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$1,134.44
- Nickson®Exhaust Manifold GasketUniversal Exhaust Manifold Gasket by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE...Expertly crafted from premium materialsQuality design and workmanship$4.06 - $10.79
- Nickson®Exhaust Flat WasherExhaust Flat Washer by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs and...Expertly crafted from premium materialsQuality design and workmanship$0.13 - $0.32
- Nickson®Exhaust Manifold FlangeUniversal Exhaust Manifold Flange by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE...Expertly crafted from premium materialsQuality design and workmanship$6.51 - $10.91
- Nickson®Exhaust Manifold Heat RiserExhaust Manifold Heat Riser by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE...Expertly crafted from premium materialsQuality design and workmanship$41.72
- Nickson®Exhaust Manifold NutExhaust Manifold Nut by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs and...Expertly crafted from premium materialsQuality design and workmanship$0.15 - $0.89
- Nickson®Exhaust Manifold StudUniversal Exhaust Manifold Stud by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE...Expertly crafted from premium materialsQuality design and workmanship$0.46 - $4.29
- Nickson®Exhaust Spring Lock WasherExhaust Spring Lock Washer by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$0.15
- Nickson®Manifold StudManifold Stud by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs and improved...Expertly crafted from premium materialsQuality design and workmanship$0.83 - $6.43
- PAI®Exhaust Manifold SpacerExhaust Manifold Spacer by PAI®. 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 industry-leading...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$8.59
- PAI®Exhaust Manifold StudExhaust Manifold Stud by PAI®.Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$3.71 - $116.71
- Kooks®Stainless Steel Bank Exhaust FlangesGMC G3500 1990, Stainless Steel Bank Exhaust Flanges by Kooks®. 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, this product by Kooks...Expertly crafted from premium materialsDesigned to match rigorous quality standards$53.64 - $67.53
- Hedman Hedders®Standard Duty Mild Steel Long Tube Exhaust HeadersGMC G-Series With Power Steering 1990, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Color: Silver. Header Style: Long Tube. The standard-duty...Made of High Quality MaterialsBuilt to Last$308.47 - $838.58
- CFR Performance®Hugger Style Short Tube Exhaust HeadersGMC G-Series 5.0L / 5.7L 1990, Hugger Style Short Tube Exhaust Headers by CFR Performance®. Header Style: Short Tube. Ceramic coated "HUGGER" style headers. Heavy-duty construction with tubes and thick flange. Includes collector...Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength$140.75
- Dynatech®Aluminum Adapter PlateGMC G-Series With Chevy Small Block Engine 1990, Aluminum Adapter Plate by Dynatech®. These Small Block Chevy to Stahl Aluminum Adapter Plate Kits allow you to use a larger tube size to maximize power. The Standard Chevy bolt pattern...Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains$176.99
- Dynatech®Dragster Stainless Steel Long Tube Exhaust HeadersGMC G-Series 7.4L with Chevy Big Block Engine 1990, Dragster Stainless Steel Long Tube Exhaust Headers by Dynatech®. Header Style: Long Tube. Designed for heads that use the factory Big Block Chevy bolt pattern. The optional tube sizes...CNC laser cut flanges feature raised port location for increased powerUnique port gussets eliminate cracking caused by tire shake and muffler applications$799.99 - $1,299.00
- Dynatech®Stainless Steel 604 Crate Engine Dirt Late Model Exhaust HeadersGMC G-Series With Chevy Small Block Engine 1990, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". These Stainless Steel 604 Crate Engine...Engineered for 604 Crate enginesGaskets and bolts included$999.99
- Dynatech®Stainless Steel Natural Weld-up Dragster Exhaust Header KitGMC G-Series 1990, Natural Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Color: Natural. Header Coating: Uncoated. Designed specifically for strut type front end cars and dragsters, this kit allows you to fabricate...Tack-welded to make it easy to change or finish weldCNC laser-cut flanges$429.99
- Flowtech®409 SS Upright Exhaust HeadersGMC G-Series 7.4L 1990, 409 SS Upright Exhaust Headers by Flowtech®. Primary Tubing Diameter: 2.25". Collector Outlet Diameter: 4". Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes provide consistent...Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing$419.95 - $474.95
- Flowtech®Aluminum Header Gasket SetGMC G-Series 7.4L 1990, Aluminum Header Gasket Set by Flowtech®. 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, this product by...Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life$18.95
- Flowtech®Real-Seal™ Aluminum Exhaust Header GasketsGMC G-Series 7.4L 1990, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of separate layers of...Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out$74.95
- Moroso®Aluminum Header Flange KitGMC G-Series 5.0L / 5.7L 1990, Aluminum Header Flange Kit by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to...Aluminum plates simplify the task of matching exhaust ports to large tube, dual flange headers on enginesOnly 3/8" thick to save weight$151.99
- Mr. Gasket®Header Bolt SetGMC G-Series 5.0L / 5.7L 1990, Header Bolt Set by Mr. Gasket®. Color: Silver. Header Coating: Uncoated. Whatever exhaust system you install on your engine, whether it’s a set of chromed headers or simply a set of cleaned up flat black...Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started410 stainless steel$39.95 - $44.95
- Edelbrock®Exhaust Gasket SetGMC G-Series 7.4L 1990, Exhaust Gasket Set by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only manufactured from extremely...The finest quality at a great priceEdelbrock carry everything needed to complete the job$31.95
- AFR®Steel Core Laminate Exhaust Gasket SetGMC G-Series 7.4L with Big Block Chevy Engine 1990, Steel Core Laminate Exhaust Gasket Set by AFR®. Known for its innovative design and high quality, this product will increase the horsepower of your vehicle and improve your driving...Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes$28.06
- Big End Performance®Exhaust Header Copper GasketGMC G-Series 1990, Exhaust Header Copper Gasket by Big End Performance®. This Big End Performance product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to provide the...Designed to boost your vehicle's performanceMade from high-quality materials$22.12 - $40.69
- Brodix®Spread Port Exhaust Header GasketGMC G-Series With Small Block Chevy Engine 1990, Spread Port Exhaust Header Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition is on the...Designed to boost your vehicle's performanceMade from high-quality materials$17.21
- Cometic Gasket®Multi-Layer Steel Exhaust Header GasketsGMC G-Series 7.4L 1990, Multi-Layer Steel Exhaust Header Gaskets by Cometic Gasket®. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not...Made of High Quality MaterialsBuilt to Last$41.44
- Cometic Gasket®Multi-Layer Steel Exhaust Manifold GasketGMC G3500 7.4L 1990, Multi-Layer Steel Exhaust Manifold Gasket by Cometic Gasket®. This state-of-the-art exhaust product combines advanced materials with the most current manufacturing processes to provide custom-tailored solutions for...Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get$41.44
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