w-body
Showing 10–18 of 22 results
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LMMF 00+ 96-99 3100/3400 Injector Harness Adapter
$72.00 00+ to 96–99 3100/3400 Injector Harness Adapter is a simple plug-and-play solution that allows you to use a 2000–2005 style 3100/3400 harness on a 1996–1999 style engineADD TO CART -
LMMF 3100 – 3400 – 2200 – LS ECM mount bracket
$65.00 W body ecm mountADD TO CART -
LMMF 3100/3400/3800 Coil Bracket
$40.003100 / 3400 / 3800 Coil Pack Bracket
Keep your ignition system secure with the 3100 / 3400 / 3800 Coil Pack Bracket. This bracket is designed to provide a solid mounting solution for your coil pack while helping protect it from damage or tampering.
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LMMF 4t45e Transmission Hotwire
$42.004T45E Transmission Hotwire
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LMMF 89-99 3100 ECM and Harness Combo
$550.00 Harness and ecm combo for 3.1 flat tops, and 96-99 3100/3400 engines includes ecm and harnessADD TO CART -
LMMF 96-97 3100 Tuned Ecm
$120.00Custom ECM Tune for 1996–1997 GM 3100 Engines
Unlock the full potential of your 1996–1997 GM 3100 engine with a custom ECM tune designed specifically for race, off-road, and demolition derby applications. This calibration removes factory limitations while optimizing performance and reliability for stripped-down builds.
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LMMF 96-99 3100 injector Harness
$105.00 The 96–99 3100 injector harness is a direct factory-style replacement for 1996–1999 GM 3100 engines, built to provide a clean and reliable solution for stock replacements or simplified engine setups.ADD TO CART -
LMMF 96-99 to 00+ Injector adapter pigtail
$75.0098–00+ Injector Adapter Pigtail
Easily convert your 1996–1999 GM 3100 or 3400 wiring harness to work with a 2000–2005 style injector harness using this 98–00+ Injector Adapter Pigtail.
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LMMF 98-05 3800 Tuned ECM
$140.00 This Custom ECM Derby Tune for 1998–2005 GM 3800 engines is built specifically for demolition derby and off-road applications where factory limitations just get in the way.ADD TO CART