Product Summary

Chevy Small Block V8, Single Spring Valve Spring Style

    Key Specs

    MFG. Part #26547-1
    BrandCOMP Cams
    Spring Rate583 lbs.

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    1.550" High Lift Dual Valve Spring for Racing Applications

    • Number of Springs: 1
    • Compatible .520" Guide Diameter Spring Seat: 4641-1
    • Valve Spring Series: Dual
    • Damper: No
    • Compatible Retainer: 1732-1
    • Compatible Spring Cup (O.D. Locator): N/A
    • Compatible .640" Guide Diameter Spring Seat: 4643-1
    • Compatible .570" Guide Diameter Spring Seat: 4642-1
    • Compatible Shims: 4757
    • Outer Spring Outside Diameter: 1.55
    • Spring Rate: 583
    • Open Load: 810
    • Seat Pressure: 285
    • Installed Height: 2.15
    • Coil Bind Height: 1.19
    • Inner Spring Inside Diameter: 0.784
    • Outer Spring Inside Diameter: 1.106
    • Spring Style: Dual

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


    MFG. Part #26547-1
    BrandCOMP Cams
    Spring Rate583 lbs.
    Valve Spring StyleSingle Spring
    Outside Diameter1.550"
    Installed Height2.150"
    Coil Bind Height1.190"
    Open Pressure810
    Seat Pressure285
    Damper Spring IncludedNo
    Outer Spring O.D.1.550"
    Outer Spring I.D.1.106"
    Inner Spring I.D.0.784"
    Sold in QuantityEach
    GTIN Code00036584380986