Cylinder Head - Performer RPM - Assembled - 2.140 / 1.810 in Valve - 210 cc Intake - 75 cc Chamber - 1.550 in Springs - Aluminum - Mopar B / RB-Series - Each
Cylinder Head - Performer RPM - Assembled - 2.140 / 1.81 in Valve - 210 cc Intake - 88 cc Chamber - 1.550 in Springs - Aluminum - Mopar B / RB-Series - Each
Cylinder Head - Performer RPM - Assembled - 2.165 / 1.650 in Valve - 202 cc Intake - 83 cc Chamber - 1.300 in Springs - Aluminum - 5.7 L - Mopar Gen III Hemi - Each
Cylinder Head - Performer RPM High-Compression - Assembled - 2.190 / 1.880 in Valve - 290 cc Intake - 100 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each
Cylinder Head - Performer RPM - Assembled - 1.900 / 1.600 in Valve - 170 cc Intake - 60 cc Chamber - 1.460 in Springs - Aluminum - Small Block Ford - Each
Cylinder Head - Performer RPM - Assembled - 2.190 / 1.760 in Valve - 292 cc Intake - 95 cc Chamber - 1.550 in Springs - Aluminum - Big Block Ford - Each
Cylinder Head - Performer RPM - Assembled - 2.020 / 1.600 in Valve - 171 cc Intake - 63 cc Chamber - 1.460 in Springs - Aluminum - Small Block Mopar - Each