- Thickness: 70mm
Aeroflow's high velocity spacers increase the velocity of the fuel/air charge
It also assists in isntalling the olive into the PTFE line
SB Chevrolet Short 283 to 400ci
Part Number : PFETM001
Proflow Cylinder Heads, SuperMax 220, SB Ford 289, 302, 351W, Aluminum, Assemble Transmission Components - Thickness: 70mmPart Number : PFEAHF22060 Proflow Cylinder Heads, SuperMax 220, SB Ford 289, 302, 351W, Assembled Proflow does not sacrifice quality for a low price you get both with our aluminium cylinder heads. The lightweight heads are cast from A 356 aluminium alloy with a large choice of Engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289 351W, 302,351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB, phosphorous bronze valve guides, and ductile iron valve