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$179.99
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 Racing Cams 4005 1932-1953 Flathead Ford V8 Dual Valve Springs

Dual Spring Valve Spring Style, 240 lbs. at 1.187" Open Pressure, 1.25" Outer Spring O.D.

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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 Racing Cams 4005 1932-1953 Flathead Ford V8 Dual Valve Springs
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Isky Racing Cams 4005 1932-1953 Flathead Ford V8 Dual Valve Springs
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Part # 4504005
$179.99
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Details

Valve Spring Style:
Dual Spring
Open Pressure:
240 lbs. at 1.187"
Seat Pressure:
115 lbs. at 1.687"
Outer Spring O.D.:
1.25"
Outer Spring I.D.:
.925"
Inner Spring O.D.:
.925"
Inner Spring I.D.:
.69"
Sold in Quantity:
Set
Notes:
Set of (16)

Info

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.

Flathead Valve Assembly (Link)

Item Details

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

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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Q & A

Videos & Articles
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • Picking the right camshaft can be a challenge. Use our camshaft selection guide to learn how to select the right cam for your street rod's best performance.
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.
  • Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.
  • Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.

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