Darton Sleeves 4.494" Bore Cylinder Sleeve 8.000" Height 4.750" OD 0.128" Wall - Steel H76403FXL AMP Research PowerStep XL Running

AMP Research PowerStep XL Running Boards

and standard valve spacing make this the perfect street head for 350-383 ci engines

this specialized filter eliminates odors and pollutants

The MX4's solid and robust design is flush mount

Darton Sleeves 4.494" Bore Cylinder Sleeve 8.000" Height 4.750" OD 0.128" Wall - Steel H76403FXL AMP Research PowerStep XL RunningProduct Description: Cylinder Sleeve 4. 494 in Bore 8. 000 in Height 4. 750 in OD 0. 128 in Wall Steel Universal Sold Individually Darton is a manufacture of engine block sleeves. Using specialized ductile iron, their sleeves fit a variety of engine makes and sizes.