Isky Racing Cams 4005 1932-1953 Flathead Ford V8 Dual Valve Springs
Isky Racing Cams 4005 1932-1953 Flathead Ford V8 Dual Valve Springs
Isky Cams

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#4504005

Isky Racing Cams 4005 1932-1953 Flathead Ford V8 Dual Valve Springs

Type:

Dual

Single

$217.99

/set

In Stock


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Product Summary

1.25" Outer Spring O.D., Dual Spring Valve Spring Style

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    Key Specs

    MFG. Part #4005
    BrandIsky Cams
    Valve Spring StyleDual Spring
    See more specs

    Need To Know

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    Isky Cams 4005 Details

    Our complete line of valve train parts to help your Flathead Ford V8 run on unleaded fuel. These super heavy duty dual valve springs are made from top-quality chrome silicon steel and are designed to work with stock 1932-1953 Ford retainers PLUS our 450-87F retainer adapters.

    • Outside Diameter: .925", 1.240"
    • Inside Diameter: .690", .925"
    • Installed Height: 1.687
    • Seat Pressure: 115 lbs. @ 1.687
    • Open Pressure: 240 lbs. @ 1.187
    • Max Net Valve Lift: .500"
    • Spring Rate: 250

    Suggested for "full-race" camshafts only.

    Item Details

    Must use 450-87F retainer adapters plus the correct stock retainers for the valves being used.

    Charts

    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.
    CARB warning

    Isky Cams 4005 Specifications

    KEY SPECS
    MFG. Part #4005
    BrandIsky Cams
    Valve Spring StyleDual Spring
    GENERAL
    Outer Spring O.D.1.25"
    Open Pressure240 lbs. at 1.187"
    Seat Pressure115 lbs. at 1.687"
    Outer Spring I.D..925"
    Inner Spring O.D..925"
    Inner Spring I.D..69"
    Sold in QuantitySet
    NotesSet of (16)

    Ratings & Reviews

    5

    2 Reviews

    Overall Assessment

    Customers praise the product for its essential role in installing dual value springs, endorsing its practicality and functionality. Mentioned features include a detailed description that supports usability. The product's quality and affordable cost were also highlighted, positioning it favorably against competitors.

    Write A Review

    5

    2 reviews

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    yes if i built one more engine

    5.0

    a year ago

    bobbike

    brooksville fl

    Verified

    i needed this item to install dual value springs.

    Would Recommend

    Very satisfied costumer

    5.0

    10 years ago

    goyejl

    Singapore

    Verified

    Very detailed description. Fast and cheap shipping

    Would Recommend

    Showing 2 of 2 reviews

    Questions & Answers

    1 Question • 1 Answer

    I have the 4005 dual springs and the 87F retainers for the bottom but it appears I need a retainer for the top also because the spring is larger than the guide. What part do I need for this? Thanks

    by Lonnie

    • 8 years ago

    1 answer

    View Answer

    1 of 1 questions shown

    Fitment

    • 221 Ford Flathead V8

    • Ford Flathead V8 17 Stud 221 18

    • Ford Flathead V8 21 Stud 221 40

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    Customer Impersonation Script