90.5mm / 92mm Cylinder Shims, .020" / 0.50mm The-heart-of-any-hi-performance-engine-is-the-crankshaft

The-heart-of-any-hi-performance-engine-is-the-crankshaft

-this-Air-Cleaner-is-offered-in-6-3/4"-x-4-1/2"-Rectangular-Styles-with-Washable-Gauze-elements-and-include-hardware-and-gaskets

-This-is-a-great-addition-to-any-performance-built-engine-or-a-little-extra-help-to-insure-a-long-engine-life

-Each-kit-includes-front-and-rear

-No-modifications-needed

90.5mm / 92mm Cylinder Shims, .020" / 0.50mm The-heart-of-any-hi-performance-engine-is-the-crankshaftSteel shims allow for adjusting deck height without machining the pistons. Corrects for increase in stroke and compensates when case is surface machined. Clearanced for standard 8mm studs. Sold in sets of 4. (SKU: 2170300)