COMP Cams ID Spring Seat 1.55 X 630 X 7 - 4780-1

Made from hardened steel, this locator uses an inboard locating shoulder to center the seat and hold the spring in place. The 4780 features a 1.540" OD and a .640" ID that works well with our 938,...

COMP Cams Rotator Eliminators CB Exh. - 4779-8

Avoid stacking .300" of shims under the valve springs on your Big Block Chevrolet with our seat spacers. These spacers feature a 1.732" outer diameter for 1.568" outer diameter springs.CatalogUser 1

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...

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.CatalogUser 1

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...

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...

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...

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,...

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...

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,...

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,...

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...