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GPI – L83 (5.3L) DI Truck High Lift Cams (2014+ GM Truck)


Pound for pound – the best 5.3L Direct Injected Truck cams on the market!

These are high lift LT truck cams. Dual .660″ lift valve springs and phaser limiter are required for install. Refer to Cam Install Package above for the required components.

No milling is possible without first checking PTV, and/or flycutting as needed. The L83 has less clearance than the LT1 and L86 due to the piston design.

This is for the stage 1 camshaft: