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This ACCEL High Performance Upgrade for 1995-1996 GM OptiSpark II distributors features high dielectric strength, glass reinforced cap, epoxy over mold and brass contacts with balanced rotor and a cross flow vent design.
The Accel LT1 OptiSpark Distributor Cap And Rotor Kit is a High Performance Replacement for the GM OptiSpark. The OE unit was prone-to-fail. All new construction features: high dielectric strength glass reinforced cap, epoxy over mold and brass contacts with balanced rotor.