Suspension & Diff Bushing Kit GC PCV Two different water jacket cutout

Two different water jacket cutout patterns are used depending on the model year

This process helps to maintain the main bearing bore geometry under extreme forces and reduces the possibility of bearing failure

or EDM models but requires updating 1st driven gear

or melted timing cover

Suspension & Diff Bushing Kit GC PCV Two different water jacket cutoutENHANCED SUSPENSION RESPONSE Complete set of available STI hardened (aka Group N) suspension bushings for front and rear control arms and rear diff mounting. Increased rubber durometer (firmness) reduces suspension deflection and geometry change under loads improving handling, traction, and steering response. Also controls diff movement and torque reactions for more responsive application of power while eliminating clunking or other noises due to