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Manley 11729B-8 Extreme Duty Exhaust Valve Set 1.950" Head 8-Pack

Manufacturer

Picture for manufacturer Manley

Part Number

11729B-8
8 reviews
Sale Price

$493.29

2 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

These valves are engineered to withstand the extreme forces and temperatures found in Top Fuel dragsters, Funny Cars, and high-performance marine engines.

Key Specifications:

  • Head Diameter: 1.950 inches
  • Overall Length: 5.120 inches
  • Stem Diameter: 0.3715 inches
  • Quantity: 8 valves per set
  • Type: Exhaust valve with Bead Loc design

Premium Construction Features:

  • XH-432 XtremeAlloy material for exceptional heat and stress resistance
  • Chrome stems and hardened tips for extended service life and wear resistance
  • Swirl polished under-head areas for optimized airflow
  • Fully machined combustion faces to improve combustion efficiency
  • Extreme Duty Series construction for maximum durability

These valves are ideal for demanding racing applications where extreme force and heat resistance are critical, including Top Fuel, Funny Car drag racing, Big Block Chevy marine engines, and circle track competition engines. Manley's Extreme Duty Series represents decades of racing experience and engineering excellence in high-performance valve technology.

Made a hard to find part easy.When I received the part it looked like a return from the tape job on the box. Part looked new but handled in an attempted install way of appearance. I'm sure it'll be fine.

Quick and easy. Beat all other prices.I'd definitely use them again.

It is the way all on-line purchases should go. I got the item in 2 days, even before the email that it had shipped! Only negative is that the shipping cost was 35% the item cost. But it was still less that others with "free" shipping.

Fast shipping, good communication, and cheap prices means I'm going to buy more in the future.

Bought Motive Brake Bleeding Kit (international) . Best Pricing all around.<br>Ordered on Tuesday , received via UPS Ground (cheap shipping) on Thursday Noon.<br>Excellent Packing.<br>Super Fast Shipping.<br>Very Statisfied with my on-line order.<br>Highly Recommended.

I ordered a bike rack and the rack was shipped promptly, and was exactly what I ordered. Best price on the internet

Great Company to buy parts from. They always have reasonable prices and reasonable shipping prices. Will buy from them again and again!

Great prices, quick processing, and an overall excellent company

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