CASPER'S ELECTRONICS has made several thousand engine control harnesses for the Grand National since our first one in 1996. From stock ECU's, and right down the line of all the...
Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire, and dual wideband...
 Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you...
These standalone Terminator X ECU's (Electronic Control Unit) are intended to be used as service components for your Terminator X EFI installation. The Terminator X ECU features real-time fuel learn,...
The Terminator X Max ECU features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and 4 programmable inputs and...
The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X...
Holley's new 6.86" Pro Dash delivers over 200 monitoring channels of reliable real-time data in a more compact, full HD package suitable for nearly any motorsports application. Be assured that...
Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs. Features: Plug and play for both fuel and oil pressure inputs with Holley EFI...
This coil is designed for use with Holley® HP and Dominator ECUs, as well other EFI systems that can drive “smart” ignition coils. Although it is designed for high powered...
Replacement Holley EFI NTK Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure...
Remote Tuning Services for Holley EFI (TerminatorX, Dominator, HP, Sniper)
Our service is unbeatable!
We tune Turbocharged, Supercharged, Nitrous and max effort N/A engines daily! Street cruiser? No problem!
LSX Engines, Turbo Buick V6 Engines, SBC/BBC Engines, Coyote and Mod Motor!
DW400 Pump Module for Chevy Silverado 1500/2500/3500 & GMC Sierra 1500/2500/3500 2005-13 V8 4.8L/5.3L/6.0L Excl Flex Fuel The DW400 05-09 GM Truck Module is a complete plug-n-play replacement for the...
The DW550 is the highest-flowing in-tank brushed fuel pump on the market that includes a check valve. It combines quiet operation, PWM compatibility, and a computer-balanced armature. E85 durability is...
DW300 series, 340lph in-tank fuel pump w /Universal Install Kit. Fits Most! Â The DW300 is our flagship standard fitment in-tank pump. Â The DW300 flows 340lph at 40psi and is a...
Dual-pump Universal Kit to Hardwire Two Fuel Pumps to Battery Get the most out of your DW high flow fuel pump by ensuring it gets the voltage it needs. Old,...
DW400 Pump Module for Chevy Silverado 1500/2500/3500 & GMC Sierra 1500/2500/3500 2005-13 V8 4.8L/5.3L/6.0L Excl Flex Fuel The DW400 05-09 GM Truck Module is a complete plug-n-play replacement for the OE...
DW400 Pump Module for Chevy Silverado 1500/2500/3500 & GMC Sierra 1500/2500/3500 1999-2004 V8 4.8L/5.3L/6.0L Excl Flex Fuel The DW400 is the highest flowing in-tank fuel pump on the market. Quiet...
DW400 Performance Pump Module for Dodge Charger & Challenger 2006-2019, Chrysler 300 2005-2019 (All except 6.2L Hellcat) The DW400 Hemi Module is a complete drop in replacement for the OE...
X2 Series Fuel Pump Module with 2 DW420s for 2010-15 Camaro LS 3.7 V6/SS LS3 6.2 and 2010-14 CTS-V The DeatschWerks X2-Series 5G Camaro Module is now available with the...
HPT Turbochargers F2 Series Billet Dual Ball Bearing 6466 w/ Stainless 3 Bolt Buick Exhaust Housing Good for over 1000HP! Top of the line quality dual ball bearing unit with...
HPT Turbochargers F2 Series Billet Dual Ball Bearing 6262 w/ Stainless 3 Bolt Buick Exhaust Housing Good for over 800HP! Top of the line quality dual ball bearing unit with...
HPT Turbochargers F2 Series Billet Dual Ball Bearing 6870 w/ Stainless 3 Bolt Buick Exhaust Housing Top of the line quality dual ball bearing unit with a stainless turbine housing...
HPT Turbochargers F3 Series Billet Dual Ball Bearing 7170 w/ Stainless .70 A/R 3 Bolt Buick Exhaust Housing AVAILABLE NOW! Good for over 1000 HP! Top of the line quality...
 Capable of Supporting up to 750 Horsepower The F2 5862 Turbocharger is equipped with HPT's Quick Spool Technology, providing high efficiency with minimal lag. Alongside the bearing system, HPT turbochargers boast superior...
Plug & Play Holley EFI Wiring Harness (Casper's Electronics) / Holley ECU Package for 1986-87 Turbo Buick V6 Grand National, Regal T-Type or '89 Turbo Trans Am Vehicles! Compatible with...
Firecore 50 PF6000 Spark Plug Wires for 1986-87 V6 Buick Grand National, Standard Stock Coil Each wire is labeled for each corresponding cylinder. Plug wires are exact cut to fit...
HPT Turbochargers F2 Series Billet Dual Ball Bearing 6262 w/ Stainless 3 Bolt Buick Exhaust Housing Good for over 800HP! Top of the line quality dual ball bearing unit with...
ANNOUNCING: Revolution X Torque Converters from Full Throttle Speed! We've spent a lot of time developing these performance torque converters! This project was fueled by the desire to build a...
Racetronix GEN2 Stainless Fuel Pump Sender w/ Single HELLCAT Walbro 525LPH Pump for Turbo Buick GN & T-Type (Gas +E85) SIMPLY THE MOST BADASS SINGLE FUEL PUMP AVAILABLE FOR A...
 Racetronix DPFS-G71050 - G7 Turbo Buick / G-Body Dual Fuel Pump Assembly 1050 LPH The largest drop in dual intank fuel pump solution available for a Turbo Buick GN or G-Body...