BTR
BTR 5.3 STOCK BLOCK MAX EFFORT TURBO CAMSHAFT
BTR 427+ MAX EFFORT N/A CAMSHAFT
25X/27X, .646"/.646", 111 LSA
Introducing 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.
Due to the aggressive nature and high valve lift of this camshaft, it is recommended for DRAG RACE USE ONLY!
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Emissions standards help protect air quality and public health. Agencies like the U.S. EPA, California Air Resources Board, and Environment Canada prohibit tampering with emissions systems, which is illegal under the U.S. Clean Air Act and can result in significant fines.
Scram Speed supports performance parts that meet emissions requirements. This information is general and may not apply to all vehicles or situations. Consumers are solely responsible for checking their local laws to ensure compliance.