{"product_id":"brodix-cylinder-heads-ls7-br7-262cc-cnc-ported-71cc-chamber-6-bolt-bare-1170000","title":"Brodix Cylinder Heads - LS7 - Br7 - 262CC - CNC Ported - 71CC Chamber - 6 Bolt - Bare","description":"\u003cp\u003eBRODIX CYLINDER HEADS - LS7 - BR7 - 262cc - CNC PORTED - 71cc CHAMBER - 6 BOLT - BARE - 1170000\u003cbr\u003e\nBRODIX delivers the industry’s most durable replacement for the LS style cylinder heads with the introduction of the BR series. The BR 7 is an out-of-the-box version that comes standard with 71 cc combustion chambers, bowls blended, and intake ports matched. The STS BR 7 is a 100% CNC ported version that flows over 375 cfm. The BR 7 and the STS BR 7 both utilize a 12° valve angle and 2.204 \/ 1.614 valve combination. The STS BR 7 273 flows over 415 cfm with a 72 cc combustion chamber and 2.250 \/ 1.614 valves. 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.\u003cbr\u003e\n \u003cbr\u003e\n These are bare cylinder heads. Make these complete with the following:\u003cbr\u003e\n \u003cbr\u003e\n AH - Assemble Head Service \u003cbr\u003e\n BVJ- Blended Valve Job \u003cbr\u003e\n SK001\/T\/0560\/BL - Spring Kit, .660\" Lift BTR Platinum LS Spring Kit; Titanium Ret., .505\" ID .060\" Thick Loc., Blue Seals \u003cbr\u003e\n F1597P x8 - Exhaust Valves, FERREA LS7 COMP PLUS 24° EXHAUST VALVE; 1.615\" DIAMETER, .313\" STEM, 5.227\" LT, .290\" TIP \u003cbr\u003e\n F2014P x8 - Intake Valves, Ferrea LS7 Hollow Stem 2.20\" \u003cbr\u003e\n BS030-16 - Shims, BTR .030\" SHIMS FOR BRONZE GUIDES, BAG OF 16\u003c\/p\u003e","brand":"Brodix","offers":[{"title":"Default Title","offer_id":52041441050918,"sku":"1170000","price":1793.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/m2_1170000_10_087685f7-1cee-4c2f-8fe8-e8672757afd0.jpg?v=1770809854","url":"https:\/\/billysspeedshop.com\/products\/brodix-cylinder-heads-ls7-br7-262cc-cnc-ported-71cc-chamber-6-bolt-bare-1170000","provider":"Billys Speed Shop","version":"1.0","type":"link"}