Darton Sleeves Repl Cyl Sleeve BBC 500 Donovan Block 4.492 Bore Feeler Gauge 1969-1974 GMC C25/C2500 Suburban

1969-1974 GMC C25/C2500 Suburban

This exhaust gasket features 2

The 10 Hole Top Air design directs airflow around the top of the helmet for comfort and onto the shield to reduce fogging

Constructed from 6061-T6 aluminum this spring-loaded stud girdle set for 3/8" stud Chevrolet 265-400 Small Block ties rocker studs together to properly locate them

Darton Sleeves Repl Cyl Sleeve BBC 500 Donovan Block 4.492 Bore Feeler Gauge 1969-1974 GMC C25/C2500 SuburbanProduct Description: Cylinder Sleeve 4. 492 in Bore 7. 250 in Height 4. 702 in OD 0. 105 in Wall Steel Donovan Block Big Block Chevy Sold Individually Darton is a manufacture of engine block sleeves. Using specialized ductile iron, their sleeves fit a variety of engine makes and sizes.