COMP Cams Rotator Eliminators CB Exh. - 4779-8

Late 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...

COMP Cams Rotator Eliminator Eb CB Exh - 4779-100

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem - a thin, hardened steel alloy seat which will not...

COMP Cams Rotator Eliminator CB Exh - 4779-1

Avoid stacking .300" of shims under the valve spring on your Big Block Chevrolet with our seat spacer. This spacer features a 1.732" outer diameter for 1.568" outer diameter springs.

COMP Cams ID Spring Seats 1.55 X 570 X - 4778-16

Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4778 features a 1.550" OD and a .570" ID that works well with our 938 and 927 dual valve springs.

COMP Cams ID Spring Seats Eb 1.55 X 570 - 4778-100

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem - a thin, hardened steel alloy seat which will not...

COMP Cams ID Spring Seat 1.55 X 570 X 7 - 4778-1

Made from hardened steel, this locator uses an inboard locating shoulder to center the seat and hold the spring in place. The 4778 features a 1.550" OD and a .570" ID that works well with our 938 and 927 dual valve springs.

COMP Cams ID Spring Seats 1.55 X 630 X - 4777-16

Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4777 features a 1.540" OD and a .640" ID that works well with our 26089, 955 and 943 dual valve springs.

COMP Cams ID Spring Seats Eb 1.55 X 630 - 4777-100

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem - a thin, hardened steel alloy seat which will not...

COMP Cams ID Spring Seat 1.55 X 630 X 7 - 4777-1

Made from hardened steel, this locator uses an inboard locating shoulder to center the seat and hold the spring in place. The 4777 features a 1.540" OD and a .640" ID that works well with our 26089, 955 and 943 dual valve springs.

COMP Cams ID Spring Seats 1.55 X 570 X - 4776-16

Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4776 features a 1.550" OD and a .570" ID that works well with our 928, 944, 26089 and 955 springs.

COMP Cams ID Spring Seats Eb 1.55 X 570 - 4776-100

The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem - a thin, hardened steel alloy seat which will not...

COMP Cams ID Spring Seat 1.55 X 570 X 7 - 4776-1

Made from hardened steel, this locator uses an inboard locating shoulder to center the seat and hold the spring in place. The 4776 features a 1.550" OD and a .570" ID that works well with our 928, 944, 26089 and 955 springs.