AFR 335CC BBC ENFORCER CYLINDER HEADS

Description

DEL-TRON PRODUCTS

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. Please e-mail with questions.