Stage 1 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks

Camshaft – Thumper NSR Stage 1 – Hydraulic Roller – Lift 0.541 / 0.536 in – Duration 276 / 295 – 112 LSA – 1600 / 6400 RPM – GM LS-Series – Each