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Flathead Ford No-Lead Hardened Valve Seat, Exhaust
Flathead Ford No-Lead Hardened Valve Seat, Exhaust

Flathead Ford No-Lead Hardened Valve Seat, Exhaust

1.375" Inside Diameter, 1.694" Outside Diameter, .254" Overall Thickness, Steel, Natural

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Flathead Ford No-Lead Hardened Valve Seat, Exhaust
Flathead Ford No-Lead Hardened Valve Seat, Exhaust
Flathead Ford No-Lead Hardened Valve Seat, Exhaust
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Flathead Ford No-Lead Hardened Valve Seat, Exhaust
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Part # 91015314
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  • .060" oversize valve seats
  • Made of a specially hardened material to combat the effect of unleaded fuel and higher performance
  • Machine work required for installation

Details

Inside Diameter:
1.375"
Outside Diameter:
1.694"
Overall Thickness:
.254"
Material Type:
Steel
Finish:
Natural
Sold in Quantity:
Each
Notes:
Has a 45 degree seat.
MFG. Part #:
91015314

Info

The flathead Ford V8 was designed to run on fuel with high levels of lead, but even with leaded fuel, the stock valves will eventually hammer the seats out, which will close up the valve lash and leave your valves hanging open...that is if you don't seize a valve to the guides first!

Remember what year your engine was built and how fatigued the valve train components are. Henry may have built them right with the technology he had available then, but this is now and we have the modern components you need.

These 0.060 oversize valve seats are made of a specially hardened material to combat the effect of unleaded fuel and higher performance. Machine work is required for installation. Intake has a 30° seat and exhaust has a 45° seat.

Flathead Valve Assembly (Link)

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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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!
  • A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.
  • Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.
  • 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.
  • To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.
  • 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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