F710 LS7 Cylinder Head Square Port Bare

Cylinder Head - F710 - Bare - 2.250 / 1.615 in Valve - 287 cc Intake - 68 cc Chamber - Black Valve Covers Included - Aluminum - LS7 - GM LS-Series - Each

M311 LS3 Cylinder Head Rect-Port Assembled

Cylinder Head - M311 - Assembled - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each

M311 LS3 Cylinder Head Rect-Port Bare

Cylinder Head - M311 - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each

SBC Victor Jr. Cylinder Head - Assm.

Cylinder Head - Victor JR. - Assembled - 2.080 / 1.600 in Valve - 215 cc Intake - 64 cc Chamber - 1.550 in Springs - Angle Plug - Aluminum - Small Block Chevy - Each

Valve Seat 2.450 x 2.090 x .375

Valve Seat - Intake - 2.450 in OD - 2.000 in ID x 0.375 in - Powdered Metal - Each

Valve Seat - Intake - 2.160 x 1.810 x .350

Valve Seat - Intake - 2.160 in OD - 1.810 in ID - 0.350 in Deep - Powdered Metal - Each

Valve Seat 2.000 x 1.600 x .375

Valve Seat - Exhaust - 2.000 in OD - 1.600 in ID x 0.375 in - Powdered Metal - Each

Valve Guide 2.150 - .439 8mm LS1

Valve Guide - 8 mm Valve - 2.150 in Long - 0.439 in OD - Manganese - Bronze - Each

BBC Valve Guide - 3/8 x .502 x 2.250

Valve Guide - 3/8 in Valve - 2.250 in Long - 0.502 in OD - Bronze - Big Block Chevy - Each

Valve Guide - Int/Exh SBC - 11/32 x 2.250

Valve Guide - 11/32 in Valve - 2.250 in Long - 0.439 in OD - Manganese - Bronze - Each

BBC 380cc CNC Pro-2 Head 124cc R/P 2.350/1.850

Cylinder Head - Pro 2 CNC - Bare - 2.350 / 1.850 in Valves - 380 cc Intake - 124 cc Chamber - Aluminum - Big Block Chevy - Each

BBC 355cc CNC Pro-1 Head 121cc R/P 2.30/1.88 Assm

Cylinder Head - Pro 1 CNC - Assembled - 2.300 / 1.880 in Valves - 355 cc Intake - 121 cc Chamber - 1.625 in Springs - Straight Plug - Aluminum - Big Block Chevy - Each