EFI 58x Crank Reluctor for Double Row Timing Set
for SBC/LT1 Engines
Part #: 120-00123
- Weight: 12 Ounces
This 58 tooth crankshaft reluctor is for use with Gen IV ECMs and many aftermarket ECUs. Fits SBC and LT1 engines where a double row timing set. Requires a timing cover with clearance for a double row timing set. Requires crankshaft position sensor EFI P/N 110-00005. CAUTION: THIS RELUCTOR PROVIDES MAXIMUM CLEARANCE FOR DOUBLE ROW TIMING SETS. THE CRANK SEAL BACKSTOP OF SOME TIMING COVERS (PRODUCTION GM and TPIS) MAY RUB THE FACE OF THE CRANK RELUCTOR. CHECK FOR ADEQUATE CLEARANCE BEFORE FINAL ASSEMBLY. CONSIDER MACHINING THE BACKSTOP FOR ADDITIONAL CLEARANCE. EFI CONNECTION BILLET ALUMINUM TIMING COVERS ARE DESIGNED TO CLEAR THE FACE OF THIS RELUCTOR.