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For maximum power with exceptional drivability, transplant the power of fuel injection into your vehicle with Painless Performance fuel injection harnesses. All kits include straightforward instructions and TXL high-temperature, color-coded, and labeled wire for ease of installation. All fuel injection harnesses are 100 percent quality-tested on OmniScanners to ensure the viability of the circuits. Harnesses for both GM and Ford applications are available and they use genuine original equipment connectors for trouble-free installation and operation.
( 93 )
$137.99
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$1,299.99
Painless Performance OEM computers feature a stock calibration made for your specific vehicle while removing the VATS (vehicle anti-theft system) making them the perfect solution for your engine swap. Some tuning may be required for your specific application, but the computer will allow you to start your vehicle and get it to a local tuner. Make your engine swap easier with Painless Performance computers.
( 8 )
$199.99
Painless Performance GM Gen IV Vortec truck engine wiring harnesses are designed to operate any Chevrolet Gen IV engine coupled with a 4L65E, 4L70E, 4L80E, or 4L85E automatic transmission. They cannot be used with a 4L60E transmission because it's missing the input speed sensor required by the transmission control module. The harnesses support engines with or without cylinder deactivation and/or variable valve timing. They feature an integrated weatherproof fuse block. Painless Performance GM Gen IV Vortec truck engine wiring harnesses have 10 fused power circuits, including injectors, ignition coils, oxygen sensors, ECM ignition, MAF/VLOM, and fuel pump. They also use an integrated 30 amp fuel pump, 40 amp cooling fan relays, and two ignition relays. The harnesses have an extra 4 ft. of length between the ECM connections and the main engine breakout.
( 1 )
$840.99
Painless Performance LSx dual fan relay kits are designed to operate off of a thermostatic switch when running your ride's air conditioning. These dual activation relay kits will send a signal to activate your cooling fan when your engine reaches the preset temperature of the thermostatic switch mounted in the engine head, or when the air conditioning is on. Instructions and mounting hardware are included.
( 6 )
$154.99
Painless Performance EFI harnesses are designed for the 1998-2002 LS1 mechanical throttle body engines using a 1999 and up LS1/LS6 ECM with a 4L60E/4L65E automatic or T56 manual transmission. These engines were found in 1998-2002 Camaro and Firebird. These GM LS1/LS6 harnesses will also work on 1997-2004 Throttle-By-Wire (TBW) LS1/LS6 engines which have been changed to mechanical throttle body or any 1999-2006 (4.8, 5.3, and 6.2) Vortec truck engine which has been changed to a factory or aftermarket LS1 intake manifold, mechanical throttle body, and injectors.
( 1 )
$769.98
Painless Performance benchtop flash pigtails enable you to tune or read your PCM outside the vehicle. The pigtails connect to any 12 V source and include PCM and OBDII connections. Benchtop flash your LS Series PCMs effortlessly when using Painless Performance benchtop flash pigtails. They are available for a wide range of Chevy applications from the 1990s and up.
( 2 )
$149.99
Painless Performance LS ignition coil wiring harness extensions get your coils off of the valve covers. With factory color-coded wires and weatherproof connectors, these harnesses make your job easier to accomplish. They're available in 2, 3, or 4 ft. pigtail lengths. Move your coils with Painless Performance LS coil extension harnesses.
( 1 )
$89.99
Painless Performance ignition coil wiring harnesses are backed by over 30 years of wiring solutions that are rigorously tested. These replacement harnesses are crafted with the highest quality wires and are color-coded and assembled with weathreproof connectors to make your wiring project, well … Painless!
( 3 )
$63.99
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$77.99
These FAN-THOM II electric fan relay kits come with a threaded thermostat that screws into the engine block or intake manifold for a clean and professional look. These kits provide protection for your electric fans and wire harnesses. They supply constant voltage, protect against voltage and amperage spikes, and prevent the fan from back-feeding voltage through your vehicle's wire harnesses. These kits include: * SPST 40 amp relay * 30 amp circuit breaker * Thermostatic switch * Relay base with harness * Crimp-on terminals * Mounting hardware
( 77 )
$76.99
Painless Performance waterproof electric fan relay kits are designed as inexpensive protection for your electric fans. These kits provide constant voltage, protection from voltage and amperage spikes, and keep fan(s) from feeding back through the system. Painless fan relay kits are a necessity if you're adding an on/off switch to your electric fan circuit.
( 12 )
$83.99
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