Mounting bolts included
offering a maximum output of 45
* Bolt-on ends included * Euro sub runs across thighs for more holding power
Overall length is 51
Smooth Chromed Steel with 1-1/4" Holes for Breathers Baffled-pair Suit Roller Rockers
Proflow Cylinder Heads, SuperMax 335 CNC, Aluminium, BB Chevrolet, Assembled, 12 Fasteners Mounting bolts includedPart Number : Proflow Cylinder Heads, SuperMax 335 CNC, Aluminium, BB Chevrolet, 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. They have phosphorous bronze valve guides, and ductile iron