BBC 375cc Alum Cyl Head Jackel Series Assembled

Cylinder Head - Jackal - Assembled - 2.350 / 1.880 in Valves - 375 cc Intake - 127 cc Chamber - 1.620 in Springs - Aluminum - Big Block Chevy - Each

SBC 180cc Alum Cyl Head 64cc 2.02/1.60 A/P Bare

Cylinder Head - Bare - 2.020 / 1.600 in Valves - 180 cc Intake - 64 cc Chamber - Angle Plug - Aluminum - Small Block Chevy - Each

SBF 185 Thumper Cyl Head ALuminum - Assembled

Cylinder Head - Thumper - Assembled - 2.020 in / 1.600 in Valve - 185 cc Intake - 62 cc Chamber - 1.460 in Springs - Angle Plug - Aluminum - Natural - Small Block Ford - Each