Proflow Cylinder Heads & Roller Rocker kit, AirMax 205 and Aluminium Roller Rockers

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) 

Valve sizes                                  Intake 2.10" (45 degree seat, custom 5 angles blended)

                                                    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

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