AFR 335CC BBC ENFORCER CYLINDER HEADS

DEL-TRON PRODUCTS AFR BBC Enforcer heads

Part No. DEL-AFR3001

AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology. These heads are a good pick for a 509 to 540 Cubic Inch operating below 6500 RPM. A356 aluminum/122cc chambers/24 degree/ Autolite 3924

11/32 stem diameter bead lock keepers 21-4n stainless steel Int/exh Valve 2.250"/1.880"
PAC 1940 Racing Spring 1.550"OD Hydraulic Roller Dual Valve Spring,175 lbs on seat, .725"lift, Max RPM 6500
10° Steel Retainers 1.550" O.D x .1.120" I.D x .705" I.D 10°Bead Lock Valve Keepers
ARP 7/16" Rocker Studs 3/18" Guide Plates Viton Valve Seals
Hardened Valve Spring O.D Locator
Special order 5-7 business days