Optispark Distributor Harnesses for LT1 and LT4 Engines
EFI Connection's optispark distributor harnesses are manufactured with all of the same materials found in the original GM harnesses. We only use production tooling to be sure that each terminal crimp is to original manufacturer specs. Our harnesses are the higest quality on the market. Be cautious of other harnesses that are not assembled with production tooling.
 Part #DescriptionPriceCart Qty 
Optispark Harness - Non Vented100-00487Optispark Harness - Non Vented
This harness is used with 1993-1994 Camaro/Firebird/Corvette. This harness assembly uses factory type high temp convoluted split loom and features the correct intake manifold attaching clip for 1993-1994 LT1 engines. For better heat protection, consider part number 100-00488 for high temp fiberglass braid.		$35.00
Optispark Harness - Non Vented - Hi Temp100-00488Optispark Harness - Non Vented - Hi Temp
This harness is used with 1993-1994 Camaro/Firebird/Corvette. This harness assembly uses high temp fiberglass braided sleeving and features the correct intake manifold attaching clip for 1993-1994 LT1 engines.		$38.00
Optispark Harness - Vented - Early Attaching Clip100-00489Optispark Harness - Vented - Early Attaching Clip
This harness is a perfect fit for 1993-1994 LT1 engines that have upgraded to the newer vented optispark distributor. Features the correct intake manifold attaching clip for 1993-1994 LT1 engines.		$35.00
Optispark Harness - Vented - Late Attaching Clip100-00393Optispark Harness - Vented - Late Attaching Clip
This harness is used with 1995-1997 Camaro/Firebird, 1995-1996 Corvette, and 1994-1996 B-Body. This harness assembly uses factory type high temp convoluted split loom and features the correct intake manifold attaching clip for 1994-1997 LT1 engines with the vented optispark distributor. For better heat protection, consider part number 100-00468 for high temp fiberglass braid.		$35.00
Optispark Harness - Vented - Hi Temp100-00468Optispark Harness - Vented - Hi Temp
This harness is used with 1995-1997 Camaro/Firebird, 1995-1996 Corvette, and 1994-1996 B-Body. This harness assembly uses high temp fiberglass braid to resist temperatures up to 1,200 degrees Fahrenheit.		$38.00