Brian Tooley Racing Stage 4 Hydraulic Roller Camshaft - Lift 0.553 / 0.553 in - Duration 274 / 280 - 109 LSA - 3300 / 6300 RPM - GM LS-Series SCO600SB023L Program Timing Curves

Program Timing Curves

The air nozzle never leaves the valve stem

Cometic MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion

Comes complete with large rear cup (TBAA-4616-A) or HM89410) and small frotn cup (B7A-4614-A) or (M88010)

Adjustable Bases

Brian Tooley Racing Stage 4 Hydraulic Roller Camshaft - Lift 0.553 / 0.553 in - Duration 274 / 280 - 109 LSA - 3300 / 6300 RPM - GM LS-Series SCO600SB023L Program Timing CurvesProduct Description: Camshaft Stage 4 Hydraulic Roller Lift 0. 553 0. 553 in Duration 274 280 109 LSA 3300 6300 RPM GM LS Series Sold Individually Brian Tooley Racing (BTR) started as a small operation fueled by Brian Tooley's passion for engine performance and innovation. In the early 1990s, Tooley began his journey in the performance industry by working on cylinder heads and founding Total Engine Airflow (TEA). Eventually, he shifted to creating