COMP Cams 744-16 7 Degree Steel Valve Spring RetainersOutside Diameter of Outer Spring (in): 1. 400 in. Retainer Material: Steel Lock Style: 7 degree Valve Spring Style: Standard Retainer Style: Standard Number of Springs Per Valve: Dual Outside Diameter of Middle Spring (in): 1. 060 in. Inside Diameter of Inner Spring (in): 0. 690 in. Locks Included: No Quantity: Sold as a set of 16. Notes: Will work with single or dual springs. New valve springs with larger diameters require new retainers to handle the

8" Deck Height

Boss & Eliminator

Notes:For use with MSD distributors

736" Bore   5/8" tube

500" diameter shaft

Maintains Optimum Pressure w/Precision Thermostats

Chevelle & Chev II

Undercut Stud: Yes

Rocker Stud Thread Diameter:7/16-20 in

FITS 1958-2002 small block Chevy engines

these COMP Cams Race valve locks will provide the reliability that you've been looking for

Made of hardened steel