Collection:
PAINLESS PERFORMANCE
25 products
1998-2004 GM LS1/LS6 EFI Harness
Regular price
$549.00
Sale price
$549.00
Regular price
Unit price
/per
Engine: 5.7L LS1 / LS6 w/ Cable Throttle BodyTrans.: 4L60E, 4L65E, 4L80E, T-56
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to...
2008+ Gen IV LS3 EFI Harness - Throttle By Wire
Regular price
$699.00
Sale price
$699.00
Regular price
Unit price
/per
Engine: LS3Trans.: 4L65E
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, ge...
2007-2012 GM Gen IV 4.8-6.2L EFI Harness - Throttle by Wire
Regular price
$749.00
Sale price
$749.00
Regular price
Unit price
/per
Engine: 4.8, 5.3, 6.0, 6.2LTrans.: 4L65E
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & trans...
1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness Extra Length - Mechanical TB P/N 60218
Regular price
$699.99
Sale price
$699.99
Regular price
Unit price
/per
Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone...
2003-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Throttle by Wire
Regular price
$699.99
Sale price
$699.99
Regular price
Unit price
/per
Engine: 4.8L, 5.3L, 6.0L w/ Throttle By WireTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harness...
1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Mechanical TB
Regular price
$579.99
Sale price
$579.99
Regular price
Unit price
/per
Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone...
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