1980-1990 Chevy GMC Truck Van SUV 7.4L 454 Big Block Rebuild Kit 4.250 Bore

  

QUALITY AUTO PARTS DELIVERED FAST. Rebuild your 7.4L 454 big block with a kit designed for the verified GM Chevrolet truck, van, and SUV applications listed below.

This kit supports the 7.4L / 454 OHV V8 16V engine with a 4.250 bore and includes piston rings, rod bearings, main bearings, and a full gasket set-ideal for a dependable rebuild when correct sizing and fitment matter. Kit Components & Available Sizes. R42558 - STD, 030, 040, 060.

BB619J - STD, 001, 010, 020, 030, 040. BC364J - STD, 001, 010, 020, 030, 040. GM / Chevrolet Truck, Van, SUV. Select the correct oversize rings and bearing sizes needed for your rebuild. PLEASE SPECIFY SIZES NEEDED WHEN ORDERING.

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