Torque-biased truck grind for Gen III/IV LS engines that improves low and mid-range performance with OE-like drivability.

Brian Tooley Racing BTR-30202111R1 Features:

• Duration @ .050: 202 Int. / 202 Ex.
• Valve Lift: .511 in. Int. / .511 in. Ex.
• LSA: 111 deg plus 1
• Optimized for everyday truck use and towing
• Supports stock converter in most setups

Brian Tooley Racing BTR-30202111R1 Notes:

• AFM/DOD delete or tuning required on equipped engines
• Valve spring upgrade recommended for durability

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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