Darton Sleeves 3.970" Bore Cylinder Sleeve 6.000" Height 4.254" OD 0.142" Wall - Steel Halo Seat OR High Energy Marine: Single

OR High Energy Marine: Single or dual engine with inboard/outboard drive for ski and economy

Good for street machines

single in dual out muffler which improves performance across the power band while maintaining a great tone

1990-1990 GMC V1500 SuburbanFor GM TH350 and TH400 automatic transmissions

Do not exceed vehicle's gross vehicle weight rating (GVWR)

Darton Sleeves 3.970" Bore Cylinder Sleeve 6.000" Height 4.254" OD 0.142" Wall - Steel Halo Seat OR High Energy Marine: SingleProduct 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.