Moroso Single Groove Crankshaft Pulley - Chevrolet 396-454 - Single Groove - Pre-1969 (With Short Water Pump) - 30% Reduction - 5.25" O.D. 29061P Hollow torsion bars are true the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Hollow torsion bars are true to within

Forward and Down

7 in Diameter Tank

The internal substrate material and precious metal loading have been carefully engineered for maximum efficiency and to avoid MIL (Malfunction Indicator Lamp) code issues that are common with lower quality converters

Performance U-joints are greasable and fit a variety of driveshaft combinations

Moroso Single Groove Crankshaft Pulley Chevrolet 396 454 Single Groove Pre 1969 (With Short Water Pump) 30% Reduction 5.25" O.D. 29061P Hollow torsion bars are true the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Hollow torsion bars are true to within Forward and Down