ATI 3GJMM-004 LS1 F Body 8 Rib Upgrade Bag (Old Style)

This is to upgrade the 6 rib bracket to the old style 8 rib (non spring loaded tensioner) bracket.

*This will require an eight rib standard, non offset blower pulley, which isn't included.

*This will require an eight rib blower belt, which isn't included

*This will require an ATI Performance Products 918853 harmonic balancer, which isn't included.

*This will require an crank pinning kit, which isn't included.

ATI 3GJMM-004 includes the following parts: