Darton Sleeves 3.970" Bore Cylinder Sleeve 6.000" Height 4.254" OD 0.142" Wall - Steel 24-VER-N-125 and heavy and light rate

and heavy and light rate return springs

Great for applications with enlarged lifter bores

2017-2018 GMC Sierra 1500 69

we’ve seen and heard evidence of customers installing the kit in just about every make or model vintage (and some modern) vehicle

largest cam for stock converter

Darton Sleeves 3.970" Bore Cylinder Sleeve 6.000" Height 4.254" OD 0.142" Wall - Steel 24-VER-N-125 and heavy and light rateProduct Description: Cylinder Sleeve 3. 970 in Bore 6. 000 in Height 4. 254 in OD 0. 142 in Wall Steel 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.