Holley Semi Truck Engine Parts
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Holley®Vintage Series Valve Covers with Emissions port (241-241)Vintage Series Valve Covers with Emissions port (241-241) 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)$209.95 - Holley®Vintage™ Valve Covers (241-239)Vintage™ Valve Covers (241-239) by Holley®. Designed utilizing the latest technology, this product by Holley features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...High quality at an affordable priceExpertly made from premium materials$208.95
- Holley®0 to 30 psi Vacuum Tester Gauge (26-501)Universal 0 to 30 psi Vacuum Tester Gauge by Holley®. This product is designed and manufactured to help you keep the fuel system of your vehicle in mint condition. It will make fuel system maintenance easier and more convenient, saving...Designed for your fuel system maintenanceMade from quality materials to survive the test of time$54.95
- Holley®1.5" Mechanical Fuel Pressure Gauge, 15 PSI (26-504)Universal Fuel Pressure Gauge (26-504) by Holley®. Diameter: 1.5". Mechanical. Pressure Range: 15 PSI. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...$79.95
- Holley®1.5" Mechanical Fuel Pressure Gauge, 15 PSI (26-500)Universal Fuel Pressure Gauge (26-500) by Holley®. Diameter: 1.5". Mechanical. Pressure Range: 15 PSI. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...$49.95
- Holley®1.5" Mechanical Fuel Pressure Gauge, 30 PSI (26-505)Universal Fuel Pressure Gauge (26-505) by Holley®. Diameter: 1.5". Mechanical. Pressure Range: 30 PSI. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...$85.95
- Holley®1.5" Mechanical Fuel Pressure Gauge, 30 PSI (26-502)Universal Fuel Pressure Gauge (26-502) by Holley®. Diameter: 1.5". Mechanical. Pressure Range: 30 PSI. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...$54.95
- Holley®1/4"-32 SAE UNF Main Jet Tap Tool (26-1)Universal 1/4"-32 SAE UNF Main Jet Tap Tool by Holley®. This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect...Used for "cleaning up" main jet threads in the metering blockMain Jet Tap$79.95
- Holley®1/4"-32 UNF Installation Tool Kit (26-2)Universal 1/4"-32 UNF Installation Tool Kit by Holley®. This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect...Designed to help to get your job done rightManufactured utilizing the highest quality materials$119.95
- Holley®12.3" EFI Standalone Pro Dash (553-116)Universal EFI Standalone Pro Dash (553-116) by Holley®. Have you always wanted the look of a modern digital dash in your project vehicle but lacked an ECU or fuel injection system that supported one? Holley has you covered with two...$2,449.95
- Holley®2" Fuel Pressure Gauge, 160 PSI (26-506)Universal Fuel Pressure Gauge (26-506) by Holley®. Diameter: 2". Pressure Range: 160 PSI. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...$44.95
- Holley®2-1/16" Bezels, Black (553-145BK)Universal Bezels (553-145BK) by Holley®. Diameter: 2-1/16". Finish/Color: Black. Pack of 3. Stock Replacement Bezels for Holley EFI Analog Style Gauges. This top-grade product is expertly made in compliance with stringent industry...CNC billet aluminum with black anodized finishThreaded for simple screw-on replacement$38.62
- Holley®2-1/16" Bezels, Silver (553-145S)Universal Bezels (553-145S) by Holley®. Diameter: 2-1/16". Finish/Color: Silver. Pack of 3. These silver bezels are a custom option to replace to stock bezel on Holley EFI Analog Style Gauges.Threaded for simple screw-on replacementSame style as stock bezel$39.77
- Holley®2-1/16" Electrical Fuel Pressure Gauge, 15 PSI (26-503)Universal Fuel Pressure Gauge by Holley®. Diameter: 2-1/16". Electrical. Pressure Range: 15 PSI. Holley’s analog gauges gives you a simple yet modern way to monitor all types of engine and drivetrain functions. Their slim style...$135.95
- Holley®2-1/16" Gauge Pedestal Mounting Bracket (26-619)Universal Gauge Pedestal Mounting Bracket (26-619) by Holley®. Diameter: 2-1/16". Holley’s gauge pedestal mounting brackets gives you a great solution for mounting analog-style Standalone and CAN gauges. Now you can mount these gauges...Billet aluminum base with black powder coated metal strapBase has predrilled holes for easy mounting$19.95
- Holley®3-3/8" Bezels, Black (553-146BK)Universal Bezels (553-146BK) by Holley®. Diameter: 3-3/8". Finish/Color: Black. Pack of 2. Stock Replacement Bezels for Holley EFI Analog Style Speedometer & Tachometer Gauges.CNC billet aluminum with black anodized finishThreaded for simple screw-on replacement$46.40
- Holley®3-3/8" Bezels, Silver (553-146S)Universal Bezels (553-146S) by Holley®. Diameter: 3-3/8". Finish/Color: Silver. Pack of 2. These silver bezels are a custom option to replace to stock bezel on Holley EFI Analog Style Gauges.Threaded for simple screw-on replacementSame style as stock bezel$46.40
- Holley®3-3/8" Gauge Pedestal Mounting Bracket (26-620)Universal Gauge Pedestal Mounting Bracket (26-620) by Holley®. Diameter: 3-3/8". Holley’s gauge pedestal mounting brackets gives you a great solution for mounting analog-style Standalone and CAN gauges. Now you can mount these gauges...Billet aluminum base with black powder coated metal strapBase has predrilled holes for easy mounting$24.95
- Holley®4-1/2" Bezels, Black (553-147BK)Universal Bezels (553-147BK) by Holley®. Diameter: 4-1/2". Finish/Color: Black. Pack of 2. Stock Replacement Bezels for Holley EFI Analog Style Speedometer & Tachometer Gauges.CNC billet aluminum with black anodized finishThreaded for simple screw-on replacement$53.05
- Holley®4-1/2" Bezels, Silver (553-147S)Universal Bezels (553-147S) by Holley®. Diameter: 4-1/2". Finish/Color: Silver. Pack of 2. These silver bezels are a custom option to replace to stock bezel on Holley EFI Analog Style Gauges.Threaded for simple screw-on replacementSame style as stock bezel$53.05
- Holley®4-1/2" Gauge Pedestal Mounting Bracket (26-621)Universal Gauge Pedestal Mounting Bracket (26-621) by Holley®. Diameter: 4-1/2". Holley’s gauge pedestal mounting brackets gives you a great solution for mounting analog-style Standalone and CAN gauges. Now you can mount these gauges...Billet aluminum base with black powder coated metal strapBase has predrilled holes for easy mounting$29.95
- Holley®6.86" EFI Standalone Pro Dash (553-117)Universal EFI Standalone Pro Dash (553-117) by Holley®. Have you always wanted the look of a modern digital dash in your project vehicle but lacked an ECU or fuel injection system that supported one? Holley has you covered with two...$1,449.95
- Holley®Analog Style Series 2-1/16" Air/Fuel Wideband 02 Gauge Kit with 0-5 Volt Output, Black (26-626)Universal Analog Style Series Air/Fuel Wideband 02 Gauge Kit with 0-5 Volt Output (26-626) by Holley®. Diameter: 2-1/16". Face Color: Black. Holley is pleased to announce newest member of its very successful analog-style gauges with the...$296.95
- Holley®Analog Style Series 2-1/16" Air/Fuel Wideband 02 Gauge Kit with 0-5 Volt Output, White (26-626W)Universal Analog Style Series Air/Fuel Wideband 02 Gauge Kit with 0-5 Volt Output (26-626W) by Holley®. Diameter: 2-1/16". Face Color: White. Holley is pleased to announce newest member of its very successful analog-style gauges with...$296.95
- Holley®Analog Style Series 2-1/16" Differential Temperature Gauge, Black, 140-300 F (26-607)Universal Analog Style Series Differential Temperature Gauge (26-607) by Holley®. Diameter: 2-1/16". Face Color: Black. Temperature Range: 140-300 F. Holley is pleased to announce the continuation of their popular analog-style gauges,...$196.95
- Holley®Analog Style Series 2-1/16" Differential Temperature Gauge, White, 140-300 F (26-607W)Universal Analog Style Series Differential Temperature Gauge (26-607W) by Holley®. Diameter: 2-1/16". Face Color: White. Temperature Range: 140-300 F. Holley is pleased to announce the continuation of their popular analog-style gauges,...$192.95
- Holley®Analog Style Series 2-1/16" EFI Standalone Air/Fuel Wideband 02 Gauge Kit, Black (534-215)Universal Analog Style Series Air/Fuel Wideband 02 Gauge Kit (534-215) by Holley®. Diameter: 2-1/16". Type: EFI Standalone. Face Color: Black. Holley is pleased to announce newest member of its very successful analog-style gauges with...$279.95
- Holley®Analog Style Series 2-1/16" EFI Standalone Air/Fuel Wideband 02 Gauge Kit, White (534-215W)Universal Analog Style Series Air/Fuel Wideband 02 Gauge Kit (534-215W) by Holley®. Diameter: 2-1/16". Type: EFI Standalone. Face Color: White. Holley is pleased to announce newest member of its very successful analog-style gauges with...$268.95
- Holley®Analog Style Series 2-1/16" Fuel Level Gauge, Black (26-614)Universal Analog Style Series Fuel Level Gauge (26-614) by Holley®. Diameter: 2-1/16". Face Color: Black. Holley’s analog-style standalone fuel level gauges give you a simple yet modern way to monitor your fuel level and are fully...$149.95
- Holley®Analog Style Series 2-1/16" Fuel Level Gauge, White (26-614W)Universal Analog Style Series Fuel Level Gauge (26-614W) by Holley®. Diameter: 2-1/16". Face Color: White. Holley’s analog-style standalone fuel level gauges give you a simple yet modern way to monitor your fuel level and are fully...$149.95
