Mr. Gasket Crankshaft Key - Chevrolet 283-400 Cu.In. - SB (Long Style). RG20001XL 36 x 12 x 4/10

36 x 12 x 4/10 in Thick

Flow Valve / Retaining Bracket

For Hurst Shifters without a Threaded Stick Mount

850" long Hi-Tech 5/16" diameter pushrods are 17% stiffer than

Works With Drivers Side Or Passenger Side Starters

Mr. Gasket Crankshaft Key - Chevrolet 283-400 Cu.In. - SB (Long Style). RG20001XL 36 x 12 x 4/10Chevrolet 283 400 cu. in. , small block (long style). The offset cam and crankshaft key is another method to increase torque and horsepower within the operating range you select. Vehicle Applications: 1987 1987 GMC V1500 1981 1991 Dodge W250 1968 1978 Dodge Charger 1989 1991 Chevrolet V2500 Suburban 1955 1957 Chevrolet One Fifty Series 1975 1978 GMC K15 1987 1991 GMC R3500 1977 1989 Dodge Diplomat 1960 1963 Plymouth Fleet Special 1977 1991 Dodge W150