Holley Semi Truck Engine Parts
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Holley®HVAC Heater Hose Block Off Kit (97-425)HVAC Heater Hose Block Off Kit by Holley®. Are you shivering behind the wheel in the winter, or sweating in traffic in the summer? Do you detect the sweet smell of antifreeze in the cabin or see green liquid on the floor? Your climate...Made with precision and quality in mindBuilt to last$29.95 - Holley®Dichromate Cast Intake Manifold and Carburetor Kit (300-521)Cast Dichromate Intake Manifold and Carburetor Kit (300-521) by Holley®. 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. It will meet...Made with precision and quality in mindBuilt to last$2,608.95
- Holley®Drive-By-Wire Throttle Body Harness (558-437)Drive-By-Wire Throttle Body Harness by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$214.95
- Holley®Driver's Side Low-Mount LS Drive System (Alt, P/S w/o A/C) (20-156)Driver's Side Low-Mount LS Drive System (Alt, P/S Without A/C) (20-156) by Holley®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$1,099.95
- Holley®EFI Fuel Rail Kit (534-219)EFI Fuel Rail Kit (534-219) by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more....High quality at an affordable priceExpertly made from premium materials$204.95
- Holley®Fuel Rail Kit (534-204)Fuel Rail Kit by Holley®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and will help you achieve better combustion and...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$239.95
- Holley®Hi-Ram Black EFI Intake Manifold (300-651BK)Hi-Ram EFI Black Intake Manifold (300-651BK) by Holley®. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage to...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$1,089.95
- Holley®Hi-Ram Black EFI Intake Manifold (300-650BK)Hi-Ram EFI Black Intake Manifold (300-650BK) by Holley®. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage to...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$1,089.95
- Holley®Hi-Ram Intake Manifold Mounting Stud Kit (300-225)Hi-Ram Intake Manifold Mounting Stud Kit (300-225) by Holley®. 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. It will meet your needs...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$65.95
- Holley®Hi-Ram Lower Black Carbureted Cast Intake Manifold Base (300-653BK)Hi-Ram Lower Carbureted Cast Black Intake Manifold Base (300-653BK) by Holley®. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$769.95
- Holley®Ignition Harnesses (558-307)Ignition Harnesses (558-307) by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more....Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$149.95
- Holley®Injector Harness Set (558-209)Injector Harness Set (558-209) by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much...High quality at an affordable priceExpertly made from premium materials$189.95
- Holley®Intake Manifold Lower to Top Mounting Flange (300-220)Intake Manifold Lower to Top Mounting Flange (300-220) by Holley®. 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. It will meet your...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$158.95
- Holley®Keith Dorton Series High Rise Satin Carbureted Cast Single Plane Intake Manifold (300-110)Keith Dorton Series High Rise Carbureted Cast Single Plane Satin Intake Manifold (300-110) by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$442.95
- Holley®LS Steam Tube Kit (26-551)LS Steam Tube Kit (26-551) by Holley®. Steam Vent Adapters & kits. They are designed to eliminate trapped air and steam from your engine to prevent hot spots or overheating. The complete kits are available to plumb your LS engine and...Eliminates trapped air, hot spots, and overheatingCustom look for LS engines - More attractive than OEM hard lines$149.95
- Holley®Low-Mount LS Complete Accessory Drive System (Alt, P/S & A/C) (20-162)Low-Mount LS Complete Accessory Drive System (Alt, P/S & A/C) (20-162) by Holley®. Holley's new Low Mount Accessory Drive Complete Systems have the components tucked in tighter to the block and mounted lower for a more attractive and...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$1,699.95
- Holley®Mid Rise Carbureted Cast Single Plane Intake Manifold (300-261)Mid Rise Carbureted Cast Single Plane Intake Manifold (300-261) by Holley®. 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. It will...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$358.95
- Holley®Muscle™ Valve Covers (241-134)Muscle™ Valve Covers (241-134) by Holley®. These new products are the 1st of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brand mark....Additional 0.54” of internal clearance over factory height valve coversHolley Vintage Series valve covers are designed to fit LS1, LS2, LS3, LS6 and LS7 engines$299.95
- Holley®Muscle™ Valve Covers (241-135)Muscle™ Valve Covers (241-135) by Holley®. These new products are the 1st of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brand mark....Additional 0.54” of internal clearance over factory height valve coversHolley Vintage Series valve covers are designed to fit LS1, LS2, LS3, LS6 and LS7 engines$339.95
- Holley®Muscle™ Valve Covers (241-136)Muscle™ Valve Covers (241-136) by Holley®. These new products are the 1st of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brand mark....Additional 0.54” of internal clearance over factory height valve coversHolley Vintage Series valve covers are designed to fit LS1, LS2, LS3, LS6 and LS7 engines$339.95
- Holley®Shiny Cast Intake Manifold and Carburetor Kit (300-522)Cast Shiny Intake Manifold and Carburetor Kit (300-522) by Holley®. 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. It will meet your...Made with precision and quality in mindBuilt to last$2,475.95
- Holley®Single Plane High Rise Non-EGR Upper Satin EFI Cast Intake Manifold (300-561)Single Plane High Rise Non-EGR Upper EFI Cast Satin Intake Manifold (300-561) by Holley®. 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...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$549.95
- Holley®Single Plane High Rise Non-EGR Upper Satin EFI Cast Intake Manifold (300-562)Single Plane High Rise Non-EGR Upper EFI Cast Satin Intake Manifold (300-562) by Holley®. 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...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$525.95
- Holley®Single Plane High Rise Non-EGR Upper Satin EFI Cast Intake Manifold (300-563)Single Plane High Rise Non-EGR Upper EFI Cast Satin Intake Manifold (300-563) by Holley®. 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...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$549.95
- Holley®Single Plane High Rise Non-EGR Upper Satin EFI Cast Intake Manifold (300-564)Single Plane High Rise Non-EGR Upper EFI Cast Satin Intake Manifold (300-564) by Holley®. 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...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$525.95
- Holley®Stealthram Intake Manifold Gasket (108-119)Stealthram Intake Manifold Gasket by Holley®. 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. It will meet your needs and deliver...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$29.95
- Holley®Strip Dominator Low Rise Satin Carbureted Cast Single Plane Intake Manifold (300-14)Strip Dominator Low Rise Carbureted Cast Single Plane Satin Intake Manifold by Holley®. 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...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$396.95
- Holley®Vintage Series Valve Covers w/o Emissions port (241-245)Vintage Series Valve Covers Without Emissions port (241-245) by Holley®. These new products are the 1st of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style...Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks3-1/2" tall with a solid body for non-emissions applications or custom crankcase ventilation setups$184.95
- Holley®Vintage Series Valve Covers with Emissions port (241-242)Vintage Series Valve Covers with Emissions port (241-242) by Holley®. These new products are the 1st of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style...Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks3-1/2" tall with pre-installed internal oil baffles (oil fill and PCV grommets also included)$184.95
- Holley®Vintage Series Valve Covers with Emissions port (241-240)Vintage Series Valve Covers with Emissions port (241-240) by Holley®. These new products are the 1st of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style...Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks3-1/2" tall with pre-installed internal oil baffles (oil fill and PCV grommets also included)$164.95
