Darton Sleeves 4.120" Bore Cylinder Sleeve 5.545" Height 4.272" OD 0.076" Wall - Steel DX2400K but will fit in early

but will fit in early Corvettes as well

Billet Specialties V-Trac pulley systems work with any type of cylinder head or manifold configuration

1966-1973 GMC K15/K1500 Pickup

Built from 6061-T6 billet aluminum

Black / Gray

Darton Sleeves 4.120" Bore Cylinder Sleeve 5.545" Height 4.272" OD 0.076" Wall - Steel DX2400K but will fit in earlyProduct Description: Cylinder Sleeve 4. 120 in Bore 5. 545 in Height 4. 272 in OD 0. 076 in Wall Steel Bowtie Block Small 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.