MSD 6BTM Series Multiple Spark Ignition Controller w/ Boost Timing Master Wheels & Tire Accessories Cabin Adjustable

Cabin Adjustable

1975-1981 Pontiac LeMans

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Extra material allows for porting to 2

9703Since 1938

MSD 6BTM Series Multiple Spark Ignition Controller w/ Boost Timing Master Wheels & Tire Accessories Cabin AdjustableThe 6 BTM is ideal for engines with a turbo or supercharger. Not only will the engine benefit from MSD's full power CD sparks, but there is also an adjustable boost timing retard circuit to prevent detonation. When your turbo or blower forces the air fuel mixture into the engine, the cylinder pressure inside the combustion chamber increases. The result is a great increase in power but this can also lead to detonation that can result in severe engine