VMP No-Grind FEAD Kit for TVS Supercharged '11+ Coyote (Race/Heavy-Duty Version) This kit is designed to work with older VMP and Roush blower kits with the 2.3 L or 2.65 L supercharger. It replaces the cast Roush FEAD bracket and spider bracket that require grinding of the front cover to install. The race kit will provide proper belt tension and wrap for a wide range of pulleys. You may use this kit with 63 mm/2.4" up to 92 mm/3.5" pulleys. This range is accomplished with the adjustable upper idler and the long-throw tensioner (32 degrees of rotation / 2" travel). This kit includes: Billet aluminum "Bomber" FEAD Bracket with mounting hardware Two VMP-61-SM idler pulleys with 6203-2RS bearings Heavy-duty cast tensioner and billet rotation plate Ribbed idler pulley and bolt Six M6 x 14 mm pulley bolts K060815 belt .035" thick pulley spacer - if needed. A note about belt lengths with this kit: Included K060815 belt is recommended for 88 mm/3.4" and 92 mm/3.5 in" upper pulleys on a 2.65 L TVS supercharger. '11-'14 Style Roush lower intakes are 3/8" taller and may require a longer belt. You can identify this lower intake by the significant 3/8" difference in blower mounting height vs. fuel rail mounting height.2.3 L VMP and Roush blowers have a lower pulley centerline which causes the needed belt length to decrease. 2.3 L blowers often use an 82 mm/3.1" - 85 mm/3.2" pulley to achieve boost levels of 10-12 psi on pump gas. Depending on your lower intake height, you may need to go as short as a K060810 or K060806 belt. The heavy-duty cast tensioner included with the race kit has a broader range of motion, making exact belt size less important at low boost levels (