BTR Gen V Stage 4 Turbo Camshaft (3-Bolt)
Brian Tooley Racing Gen V Stage 4 Turbo 3-bolt camshaft for aggressive L83 and LT 6.2 turbocharged street/strip combinations.
Fitment: GM Gen V LT applications, including L83/L86/LT1 engine swaps. Designed for a single S485–S494 or small twin 66–72 mm turbos. Requires a GM Gen III/IV LS 4-pole 3-bolt cam gear; use a VVT-delete front cover with an OEM ECU or BTR-GVCAMSNSR with an aftermarket ECU and OEM cover. Dual springs, hardened pushrods, tuning, and an aftermarket converter are recommended/required as applicable.
BTR specifications: 227 intake / 24X exhaust, .638/.643 lift, 114 LSA, +38% fuel lobe. Approx. 15 lb boxed; 24 × 3 × 3 in.
Compare: BTR Gen V Truck Stage 1 · BTR Gen V Truck Stage 4 · BTR Gen V 5.3 Truck Norris
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