PRO-TEK CIRCLE TRACK CAM KIT - HYDRAULIC - CK-CL920PK

Chevrolet Small Block: 8 Cyl. 262-400 CID (1955-02)

This Small Block Chevrolet camshafts may be used in the '55-56 engines if late model cam bearings are used. Camshafts for the 265 engine must be modified by machining a slot in the rear journal .427” wide and .225”-.235” deep.

Rough idle quality. (Note: Intake vacuum may be too low for power brakes, etc.) Good mid-range torque in 3000 - 4000 RPM range. Good mid-range power operating range 2200 - 5400 RPM. Average fuel economy cam. Not recommended for towing. Increased compression ratio best, 10.5 to 1 or 11.0 to 1. Some engine modification equired. Use manual or automatic transmission with high stall converter. Recommended spring pressure 120 lbs. for valve on seat; 300 lbs. for valve open. Axle ratio 3.90 to 4.50 to 1 is best. Recommended for limited oval track.

Specs:

Includes (1) Camshaft and (16) Lifters