EFI 24x Crankshaft Reluctor for SBC LT1 Single or Double Roller Timing Set 4.000 in Diameter w/ BBC Snout

EFI Connection's 24x crankshaft reluctor was designed to generate the 24 pulse crank signal required by the GM Gen III LS-Series PCMs. This reluctor is 4 inches in diameter and must be used with an EFI Connection billet aluminum timing cover. Its profile was designed for both single and double roller timing chain clearance.IMPORTANT! Cannot be used with production GM 1996-newer SBC and LT1 timing covers due to crank seal backstop interference.IMPORTANT! For use with SBC and LT1 engines with BBC crankshaft snout.