AFR's 185cc SBF Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM.

They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY. Sold as a single piece, 2 are required per engine. 

Spec

185cc Aluminum SBF Cylinder Heads
Part # Rocker Type Combustion Chamber
1351 Stud Mount - Fully Assembled 64cc
1352 Stud Mount - No Parts 64cc

 

185cc Street Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 119 177 225 255 257 260
Exh 105 143 163 166 168 170

AFR's 185cc SBF Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM.

They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY. Sold as a single piece, 2 are required per engine. 

Spec

185cc Aluminum SBF Cylinder Heads
Part # Rocker Type Combustion Chamber
1351 Stud Mount - Fully Assembled 64cc
1352 Stud Mount - No Parts 64cc

 

185cc Street Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 119 177 225 255 257 260
Exh 105 143 163 166 168 170