Feature: Good oil resistance, heat resistance, abrasion resistance and solvent resistance, as well as resistance to high pressure. The gasket can prevent transmission oil from leaking. The gasket is designed for long durability and good performance. This is a non-OEM product, accessory only! Specification: Material: Rubber Color: Black Gasket Size 1: 525x230x5mm / 20.67"x9.06"x0.20"(L*W*T) Gasket Size 2: 540x250x5mm / 21.26"x9.84"x0.20"(L*W*T) Big Washer Size: 10.5x56x32mm / 0.41"x2.20"x1.26"(H*OD*ID) Small Washer Size: 11x18x10mm / 0.43"x0.71"x0.39"(H*OD*ID) OE Number: VS50726R Fitment: for GMC Acadia - 3.6L V6 3564cc 217cid 2007-2008 Installation Notes: Please clean and dry the surface before installation. Check the valve cover for straightness before installing. Push gaskets straight down into the groove. Don't push and slide your fingers along the gasket. Please allow slight dimension differences due to different manual measurements. Package Include: 1 x Valve Cover Gasket 6 x Big Washer 26 x Small Washer