Comp Cams 12-472-44 4-Pattern 229/239 IB, 231/241 OB Hydraulic Roller Cam

For Retro-Fit (Link Bar) Hydraulic Roller Lifters ; Fits '58-'02 262-400 c.i.d. Chevy Small Blocks Great all around choice for street Applications in modified engines and 2500+ stall or manual transmissions. Upgraded valve train components and aftermarket cylinder heads required. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies. 4-Pattern|Optimize Valve Events Based on Runner Length - Increases Area Under the Curve and High RPM Stability.

Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)

RPM Operating Range: 2,300-6600

Cam Type: Hydraulic Roller

Camshaft Series: 4-Pattern

Camshaft Gear Attachment: 3-Bolt

Usage: Street/Strip

Advertised Inboard Intake Duration: 281

Advertised Inboard Exhaust Duration: 293

Advertised Outboard Intake Duration: 283

Advertised Outboard Exhaust Duration: 295

Inboard Intake Duration at .050 Inch Lift: 229

Inboard Exhaust Duration at .050 Inch Lift: 239

Outboard Intake Duration at .050 Inch Lift: 231

Outboard Exhaust Duration at .050 Inch Lift: 241

Inboard Intake Valve Lift: 0.619

Inboard Exhaust Valve Lift: 0.606

Outboard Intake Valve Lift: 0.622

Outboard Exhaust Valve Lift: 0.61

Lobe Separation: 108.5 OB/107.5 IB

Make: Chevrolet

Engine: 262-400 c.i. 8 Cylinder (1958-1998)

Lifter Type: Hydraulic Roller

Usage: Street

Performance Package: No