1978 GMC P-Series Exhaust Headers & Manifolds
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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 Manifold Stud KitUniversal Exhaust Manifold Stud Kit 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...Expertly crafted from premium materialsQuality design and workmanship$13.35 - $17.46
- 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
- Davico®Exhaust ManifoldGMC P25 / P35 5.7L 1978, Exhaust Manifold by Davico®. This product by Davico will be a great solution to replace your failed or damaged exhaust manifold. Once your stock cat fails to perform its job, replacement is the only solution....Helps your vehicle emit harmless gasesDirect OEM replacement$71.64 - $104.22
- DIY Solutions®Exhaust ManifoldGMC P25 / P35 5.7L 1978, Exhaust Manifold by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$297.79
- Kooks®Stainless Steel Bank Exhaust FlangesGMC P35 Value Van 1978, 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$53.64 - $67.53
- Hedman Hedders®Elite Ultra-Duty Mild Steel Silver Matte Ceramic-Metallic Long Tube Exhaust HeadersGMC P35 with Air Conditioning, Power Steering, A.I.R, AutomaticTransmission, Automatic Transmission Floor Shifter / Automatic Transsmision Column Shifter and without EGR, Manual Transmission Column Shifter 1978, Elite Ultra-Duty Mild...Made of High Quality MaterialsIdeal for Heavy Duty Applications$791.61
- Hedman Hedders®Elite Ultra-Duty Street Mild Steel Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust HeadersGMC P35 with Air Conditioning, Power Steering, A.I.R, AutomaticTransmission and without EGR 1978, Elite Ultra-Duty Street Black MAXX Satin Black Ceramic-Metallic Mild Steel Long Tube Racing Exhaust Headers by Hedman Hedders®. Collector...Made of High Quality MaterialsIdeal for Heavy Duty Applications$738.50 - $791.46
- Hedman Hedders®Standard Duty Mild Steel Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust HeadersGMC P35 with Air Conditioning, Power Steering, A.I.R, AutomaticTransmission and without EGR 1978, Standard Duty Black MAXX Satin Black Ceramic-Metallic Mild Steel Long Tube Racing Exhaust Headers by Hedman Hedders®. Color: Black. Header...Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating$578.62 - $659.06
- Hedman Hedders®Street 304 SS Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust HeadersGMC P35 with Air Conditioning, Power Steering, A.I.R, AutomaticTransmission, Automatic Transmission Floor Shifter / Automatic Transsmision Column Shifter and without EGR, Manual Transmission Column Shifter 1978, Street 304 SS Black MAXX...High quality at an affordable priceExpertly made from premium materials$1,058.77
- CFR Performance®Hugger Style Short Tube Exhaust HeadersGMC P25 / P35 5.7L 1978, 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 reducers,...Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength$140.75
- Dynatech®Aluminum Adapter PlateGMC P25 / P35 5.7L with Chevy Small Block Engine 1978, 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...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 P35 7.4L with Chevy Big Block Engine 1978, 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 and...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 P25 / P35 With Chevy Small Block Engine 1978, 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...Engineered for 604 Crate enginesGaskets and bolts included$999.99
- Dynatech®Stainless Steel Natural Weld-up Dragster Exhaust Header KitGMC P-Series 1978, 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
- Hooker®Super Competition™ Steel Silver Metallic Ceramic Coated Short Tube Block Hugger Exhaust HeadersGMC P25 / P35 5.7L 1978, Super Competition™ Steel Silver Metallic Ceramic Coated Short Tube Block Hugger Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating:...Designed for optimal performanceIndustry’s best welds for durability$617.95
- Milodon®Header BoltsGMC P25 / P35 5.7L with Chevy Small Block Engine 1978, Header Bolts by Milodon®. Enjoy superior performance by getting this premium-grade Milodon product that is throughly engineered to help take the performance of your exhaust system...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$12.95
- Moroso®Aluminum Header Flange KitGMC P25 / P35 5.7L 1978, 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 make...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
- Trans-Dapt®Small Head Exhaust Header BoltsGMC P25 / P35 5.7L with Small Block Chevy Engine 1978, Small Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt 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...High quality at an affordable priceExpertly made from premium materials$10.82
- Trans-Dapt®Standard Head Exhaust Header BoltsGMC P-Series 1978, Standard Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt 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 highest...High quality at an affordable priceExpertly made from premium materials$12.01 - $12.67
- AFR®Steel Core Laminate Exhaust Gasket SetGMC P35 7.4L with Big Block Chevy Engine 1978, 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 P-Series 1978, 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 P25 / P35 5.7L with Small Block Chevy Engine 1978, 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...Designed to boost your vehicle's performanceMade from high-quality materials$17.21
- Cometic Gasket®Multi-Layer Steel Exhaust Header GasketsGMC P-Series 1978, 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 burn...Made of High Quality MaterialsBuilt to Last$20.49 - $41.44
- Cometic Gasket®Multi-Layer Steel Exhaust Manifold GasketGMC P35 7.4L 1978, 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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1978 GMC P-Series Models
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