BRODIX delivers the industry’s most durable replacement for the LS style cylinder heads with the introduction of the BR series. The BP BR 7 BS 285 is 100% CNC ported and flows over 415 cfm. This version of the BR 7 has a 285 cc intake port and 72 cc combustion chambers. 2.250 / 1.580 valves are installed to accommodate the new, bigger high flow exhaust ports for turbo or blowers. The BP BR 7 BS 300 adds a newly designed 300 cc intake port that flows over 437 cfm. The BR 7 heads accept all standard LS components and share all of the legendary BRODIX features including: easily repairable A-356 virgin aluminum alloy and the strongest deck surface in the business. The STS BR 7 BS 273 has been added to the series for the racer who wants to use a 1.650 or smaller o.d. roller valve spring, but requires longer valves and special rockers.
*NOTE: All BR7-BS versions will NOT accept OE rocker arms.
• Intake Valves:
2.250 x 5.450 o.a.l. x 8 mm Stem, Beadlock – BR 72225
(STS BR 7 BS 273, BP BR 7 BS 285, BP BR 7 BS 300)
• Exhaust Valves:
1.614 x 5.450 o.a.l. x 8 mm Stem, Beadlock – BR 72614
(STS BR 7 BS 273)
1.580 x 5.450 o.a.l. x 8 mm Stem, Beadlock
(BP BR 7 BS 285, BP BR 7 BS 300)
• Valve Springs:
1.550 Roller Spring – PAC 1325,
260 lb Closed, 770 lb Open,
2.155 Installed Height,
.800 Maximum Lift (STS BR 7 BS 273, BP BR 7 BS 285,
BP BR 7 BS 300)