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Get it between 2025-03-04 to 2025-03-11. Additional 3 business days for provincial shipping.
Very strong from mid-range to high end torque and horsepower for LS engines with rectangular port cylinder heads.
2,200-7,200 RPM Operating Range
235/251 Duration at .050". 113 Degree Lobe Separation Angle
0.621/0.624 Valve Lift
LS3/L92 Ready - The LSR Rectangular Port grinds are the best choice for 6.0 and 6.2 L LS engines with an LS3 or L92 rectangle port head. With a wider split between intake and exhaust duration, these grinds take full advantage of the superior airflow from rectangle port heads.
Fit type: Vehicle Specific
Very strong from mid-range to high end torque and horsepower for LS engines with rectangular port cylinder heads.