From $999.00 per pair w/ Free Shipping!
CNC ported & hand blended to optimze flow. Custom ground camshafts $359 matched to our port programs. Give us your bore size, stroke, rod length, and application. We size critical port areas, choke point and valve seat angles to optimize air velocity specifically for your combination. We use the racing Cosworth Formula for optimizing the cross sectional area to increase port velocity. All heads are CNC machined on Rottler equipment in our in house multi-million dollar CNC machine center, and assembled by specialists with over 60 years in the high performance industry.
Small Block Chevy Speed-Flo heads are available in the following configurations...
Stage 1 Porting - 64cc Combustion Chambers / 200cc Intake Runners - Angle & Straight Plug - Hyd/Solid Flat Tappet Springs to .600 Lift
Stage 2 Porting - 64cc Combustion Chambers / 210cc Intake Runners - Angle & Straight Plug - Hyd/Solid Flat Tappet Springs to .600 Lift
Stage 3 Porting - 64cc Combustion Chambers / 215cc Intake Runners - Angle & Straight Plug - Hyd/Solid Flat Tappet Springs to .600 Lift
Stage 4 Ported & Polished heads flow 300cfm+, supports over 600HP
***Custom porting & combustion chamber finishing available. Call for pricing.***
