{"product_id":"brodix-cylinder-heads-ls7-br7-bs-285cc-cnc-ported-72cc-chamber-6-bolt-assembled-1178103","title":"Brodix Cylinder Heads - LS7 - Br7 Bs - 285CC - CNC Ported - 72CC Chamber - 6 Bolt - Assembled","description":"\u003cp\u003eBRODIX CYLINDER HEADS - LS7 - BR7 BS - 285cc - CNC PORTED - 72cc CHAMBER - 6 BOLT - ASSEMBLED - 1178103\u003cbr\u003e\nBRODIX delivers the industry's most durable replacement for the LS style cylinder heads. The BP BR 7 285 BS is 100% CNC ported and flows over 415 cfm \u003cbr\u003e\n \u003cbr\u003e\n BP BR 7 285 BS™ \u003cbr\u003e\n 12° Valve Angle \u003cbr\u003e\n 285 cc Intake Ports \u003cbr\u003e\n 2.250 \/ 1.580 Valve Sizes \u003cbr\u003e\n 1.550 Roller Spring – PAC 1325, 260 lb Closed, 770 lb Open, 2.155 Installed Height, .800 Maximum Lift \u003cbr\u003e\n Titanium retainers \u003cbr\u003e\n Flows Over 400 cfm \u003cbr\u003e\n 100% CNC Ported \u003cbr\u003e\n New High Flowing Exhaust for Turbo\/Blower Use \u003cbr\u003e\n Large Valve Spring Pockets for Roller Cam \u003cbr\u003e\n Special Rockers Required \u003cbr\u003e\n A45 Copper Exhaust Valve Seats \u003cbr\u003e\n 72cc combustion chambers \u003cbr\u003e\n Assembled heads\u003c\/p\u003e","brand":"Brodix","offers":[{"title":"Default Title","offer_id":52041441116454,"sku":"1178103","price":6252.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/m2_1178103_11.jpg?v=1770809864","url":"https:\/\/billysspeedshop.com\/products\/brodix-cylinder-heads-ls7-br7-bs-285cc-cnc-ported-72cc-chamber-6-bolt-assembled-1178103","provider":"Billys Speed Shop","version":"1.0","type":"link"}