Technical Specifications of...
Man O'War 10° Cylinder Heads

Material: 355 T6 aluminum
Valve Seats: Hardened steel
Valve Guides: Bronze
Valve Spring Seats: Machined for 1.550" springs
Valve Size: 2.250" x 1.625"
Rocker Arm Studs: 7/16" screw-in studs
Intake Flange: Raised ports
Exhaust Flange: Raised port locations. Dual bolt pattern accommodates large custom headers
Included In Base Assembly: Manley forged stainless steel valves with swirl-polished heads, Hardcore springs, PC-style seals. Manley 10 ° chrome moly retainers and locks.