COMP Cams Seat Spacer BB Chevy Exhaust .300" Thickness RS00500305 Each bushing is designed by

Each bushing is designed by BMR to exact specifications

Viton with Larger 2

2019-2020 Jeep Grand Cherokee UplandVehicle Applications: 2016 Jeep Grand Cherokee 75th Anniversary

24 & 25 Series big body steel shocks

32 x 18 x 10

COMP Cams Seat Spacer BB Chevy Exhaust .300" Thickness RS00500305 Each bushing is designed byLate model Big Block Chevrolet engines are originally equipped with exhaust valve rotators. Until now, the only way to make up for the rotator was to stack . 300" of shims under the spring. This was sloppy but also did not fit as well as these seat spacers. These will locate the spring with an outside step so the spring cannot "walk" around on the head. Avoid stacking . 300" of shims under the valve springs on your Big Block Chevrolet with our seat