{"product_id":"btr-427-max-effort-na-camshaft","title":"BTR 427+ Max Effort Na Camshaft","description":"\u003cp\u003eBTR 427+ MAX EFFORT N\/A CAMSHAFT\u003cbr\u003e\n25X\/27X, .646\"\/.646\", 111 LSA\u003cbr\u003e\nIntroducing the new 427+MAXNA cam from BTR. This cam is not for the weak at heart. Intended for use as a MAX EFFORT NA style cam, we recommend using this in 427 and larger engines  with a high compression ratio, heavily ported cylinder heads, and an aftermarket throttle body\/intake combo such as our Trinity series or CID style manifold. This camshaft @ 434\" CID and 14-1 compression ratio, AFR LS3 heads, and a CID intake with a vacuum pump on C12 fuel ran 5.50's @ 123.5 N\/A in the 1\/8 mile @ 2800 pds.\u003cbr\u003e\nDue to the aggressive nature and high valve lift of this camshaft, it is recommended for DRAG RACE USE ONLY!\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52041447014694,"sku":"BTR-427+MAXNA","price":515.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/btr-lsx-hero_7_bdcbf381-c5df-435e-83cb-d515c9efeb21.jpg?v=1770811116","url":"https:\/\/billysspeedshop.com\/fr\/products\/btr-427-max-effort-na-camshaft","provider":"Billys Speed Shop","version":"1.0","type":"link"}