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Showing 19–27 of 43 results
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LMMF 3.1/3100/3400 Carb harness
$220.003.1 / 3100 / 3400 Carb Conversion Harness
Want to run your GM 3.1, 3100, or 3400 engine with a carburetor while still keeping full electronic timing control? This harness makes it simple.
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LMMF 3100 – 3400 – 2200 – LS ECM mount bracket
$65.00 W body ecm mountADD TO CART -
LMMF 3100/3400 Extended Crank sensor harness
$42.00 Upgrade your ignition system with the 3100 / 3400 Extended Crank Sensor Harness, designed to eliminate brittle factory wiring and provide additional length for coil pack relocation and cleaner engine bay setups.ADD 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 3100/3400/3800 Extended Length HD Plug Wires
$50.00W-Body Extended Heavy Duty Spark Plug Wire Set (Set of 6)
Select options
Available Colors: Red, Blue, or Yellow -
LMMF 4t45e Transmission Hotwire
$42.004T45E Transmission Hotwire
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LMMF 80 amp breaker
$23.0080 Amp Waterproof Circuit Breaker
Protect your electrical system with this 80 Amp Waterproof Circuit Breaker, designed for high-draw accessories and harsh environments. This breaker provides reliable protection while allowing quick manual reset if a circuit overload occurs.
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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 96-2005 3100/3400 ECM Harness Combo
$525.00 Complete plug-and-play wiring solution for your 3100/3400 includes ECM and HarnessADD TO CART