Pay in 4 interest-free payments of $8.74 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
75" wide by 6
Available in 2 color choices
Spread port heads have the center exhaust ports spread apart 5/8'' over stock L98 GM heads
Packaged as single unit: 4-cyl require 2 coils
COMP Cams 1.437" O.D. Spring Shim Kit 723003 75" wide by 6This shim kit contains . 015", . 030" and . 060" thick Valve Spring Shims with 1. 437" outside diameter and . 645" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat treated to stand up to radical cam lobes. This COMP shim kit includes a number of 1. 437" diameter shims of various thickness. This kit includes 16 . 015" thick shims, 16 . 030" thick shims and 16 .
US$ 15.76
US$ 139.00
US$ 55.00
US$ 135.00
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