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Big Block Chevrolet Exhaust Rotator Eliminator Thickness:.300"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-4779-8

Big Block Chevrolet Exhaust Rotator Eliminator Thickness:.300"

$6995
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Big Block Chevrolet Seat Spacers
    Big Block Chevrolet Exhaust Rotator Eliminator
  • Thickness:.300"
  • O.D:.1.732''
  • Spring O.D: 1.568"
  • Spring I.D:.623"
  • 8/pk

    Late model Big Block Chevy 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 sloppy at best. Comp Cams Rotator Eliminators 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 spacers. These spacers feature a 1.732" outer diameter for 1.568" outer diameter springs.
    Old standard shims will not hold up to the extreme spring pressures & high RPM of today's race engines. Comp Cams offers a simple, effective solution to the problem. These valve spring locators provide a thin, hardened steel alloy seat that locates and holds the spring in place while protecting the head and shim. Previously this part had only been available in a cup form with the retaining portion on the outside, which required the head to be machined a great deal to accept the cup. Comp Cams has an ID locator with the locating shoulder on the inside, as well as the spring cup. Spring ID locators can usally be installed without machine work.
Part TypeValve Spring Seat
Product LineComp Cams Valve Spring Seats/Locators
BrandCOMP CAMS
Package Height0.3
Package Width5.7
Package Length9.1
Weight1.6 PG
Part CategoryPerformance Parts
Outside Diameter Of Outer Spring1.568 in (39.8 mm)
Locator MaterialSteel
Locating Shoulder TypeOutside
QuantitySold as a set of 8
Locator Thickness0.3 in (7.62 mm)
Part FitmentSemi Universal
Outside Diameter1.732 in (44 mm)
Inside Diameter Of Inner Spring0.623 in (15.824 mm)
Vendor Part Number4779-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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