You are buying a BRAND NEW Engine Pro MC22396 Mechanical Flat Tappet Camshaft!
This is a flat tappet cam for 1967-95 CHEVROLET Big Block V8 396, 402, 427, 454 C.I./1969-90 366 C.I. Engines.

Camshaft Specifications: 

• Stage: 4

• Duration @ .050": Intake: 242 Exhaust: 242

• Advertised Duration: Intake:310 Exhaust: 297

• Valve Lift: Intake: .508 Exhaust: .496

• Lobe Separation: Intake: 108 Exhaust: 120

• Power Range:     3200-7000

• Idle: LASH .020 INT .024 EXH VERY ROUGH

• Lifter Part #: 992 (not included)

• Comment: Street Strip, 9.5:1 compression, 3000 stall convertor or stick, lower gears -GM #3904362

• Note:  NOT COMPUTER COMPATIBLE

General Stage 4 Camshaft Specifications: 

• Idle Quality:   Rough. Manifold Vacuum Will Not Operate Power Brakes

• Torque:      Mid-Range 3000-4000 RPM

• Fuel Economy:      Poor

Recommendations:

• Towing:Not Recommended

• Racing: Bracket Drag Racing, Limited Oval Track

• Computer Controlled Vehicles: Not Recommended

• Transmission: Automatic With High Stall Converter or Manual

• Compression Ratio: 10.5:1 To 11.0:1. Check Valve to Piston Clearance

NOTE: Anytime you install a new camshaft, it should always have new lifters installed as cams and lifters create a wear pattern as they mate together.