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Summit Racing™ LT1 Optispark Distributors

4.15 out of 5 stars 125 Customer Reviews

Replace your stock LT1 Optispark distributor with our all-new Summit Racing™ LT1 Optispark I or II distributors. These distributors feature an aluminum housing with heavy-duty oilite bushings, and a glass-reinforced cap with high dielectric strength and aluminum terminals.

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Summit Racing™ LT1 Optispark Distributors SUM-850060

Distributor, Optispark II, Optical Trigger, Electronic Advance, Buick, Chevy, Pontiac, 5.7L, LT1, Each

Part Number: SUM-850060

3.96 out of 5 stars ( 67 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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