Darton Sleeves Cylinder Sleeve - 4.490" Bore - 8.000" Height - 4.750" OD - 0.121" Wall - Steel - Donovan 700 Block - BB Chevy H764001XL is beneficial: it prevents damaging

is beneficial: it prevents damaging ultraviolet light from reaching the Earth's surface

Leaf Spring Shim

530" ShaftThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

EFI Returnless Phantom

High grade steel hardware

Darton Sleeves Cylinder Sleeve - 4.490" Bore - 8.000" Height - 4.750" OD - 0.121" Wall - Steel - Donovan 700 Block - BB Chevy H764001XL is beneficial: it prevents damagingProduct Description: Cylinder Sleeve 4. 490 in Bore 8. 000 in Height 4. 750 in OD 0. 121 in Wall Steel Donovan 700 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.