
EFI Connection's 4x crankshaft reluctor was designed as a solution to using a double roller timing set within a 1996-newer SBC or LT1 engine.
IMPORTANT! Cannot be used with production GM 1996-newer SBC and LT1 timing covers due to crank seal backstop interference.
IMPORTANT! Cannot be used with production GM 1996-newer SBC and LT1 timing covers due to crank seal backstop interference.