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 seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.
SPECIFICATIONS
Material: 356 Alloy, T6
Chamber Volume: 68cc
Intake Runner Volume: 207cc
Intake Port location raised .100" over stock
Minimum Cross Section: 2.18 square inches MCSA
Exhaust Runner Volume: 125cc - high velocity
Exhaust Port Location Raised .080” (near stock location)
Exhaust 1.650” (45 degree seat custom high velocity radius/blended)
Proflow's Pro Series 2024 Roller Rocker Arms are designed for use in street/strip and track applications. This series of 2024 extruded billet aluminum, CNC-machined rockers are precision-finished with friction-reducing ground needle and cage bearings for superior performance and quiet operation. They're available for a wide array of engine applications, These Pro Series rocker arms are precision-engineered to withstand rigorous racing conditions. Order the set designed to fit your engine application.
Proflow Large Body Rockers increase engine power, enhance valve train stability & improve oiling
New extrusion based on improvements developed through FEA analysis, resulting in an even stronger, stiffer body without compromising mass
Contoured top give the rockers the best strength to weight ratio possible
Spiral lock type clips replace retaining Circlips
$2,700.00Purchase directly from our trusted partner VPW. Buy Now on VPW
