Comp Cams 12-210-2 High Energy Hydraulic Flat Tappet Camshaft 268H

Chevy 262-400ci Small Block 1955-98

*Note: 50-State Legal for 1987 & earlier carbureted V-8 Small Block Chevy 262-400 C.A.R.B. E.O. #D-279-3, D-279-5, D-279-6.

**Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Good street performance with stock converter, choppy idle.

Specifications:

Exhaust Valve Lift (in.) 0.454

Intake Valve Lift (in.) 0.454

RPM Range 1500-5500

Exh. Duration @ .050 in. (Deg) 218

Int. Duration @ .050 in. (Deg) 218

Exh. Duration Advertised (Deg) 268

Int. Duration Advertised (Deg) 268

Engine Make/Size Chevy Small Block (262-400)

Lifter Type Hydraulic Flat Tappet

Usage Street/Performance

Advertised Duration 268 int./268 exh.

Advertised Exhaust Duration 268

Advertised Intake Duration 268

Basic Operating RPM Range 1,500-5,500

Cam Style Hydraulic flat tappet

CARB EO Number D-279-6 (pdf)

Computer-Controlled Compatible No

Duration at 050 inch Lift 218 int./218 exh.

Exhaust Duration at 050 inch Lift 218

Exhaust Valve Lift with Factory Rocker Arm Ratio (in.) 0.454

Grind Number CS 268H-10

Intake Duration at 050 inch Lift 218

Intake Valve Lift with Factory Rocker Arm Ratio (in.) 0.454

Quantity Sold individually

Valve Lift with Factory Rocker Arm Ratio 0.454 int./0.454 exh.

Valve Springs Required Yes

Lobe Separation (Deg) 110

Manufacturer's Part Number: 12-210-2