My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Manley 11439TB-8 Titanium Exhaust Valves 1.625" .3415" Stem .300" Longer

Manufacturer

Part Number

11439TB-8
Sale Price

$1,354.67

2 left at this price

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

These valves feature a 1.625" head diameter, .3415" stem diameter, and are .300" longer than stock height, making them ideal for high-performance and racing applications requiring extended valve length.

Key Features:

  • Forged one-piece construction with grain flow, not a head welded to a stem
  • Micro-polished surface rendering a jewel-like finish
  • Bead Loc single groove design for secure keeper retention
  • Machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances
  • Premium titanium alloy provides the best balance of mechanical properties, hardness, ductility, and fatigue strength
  • Reduced weight compared to stainless steel for improved valvetrain dynamics

The micro-polishing process eliminates potential stress risers and increases fatigue strength, making these valves extremely durable in demanding racing environments. The lightweight titanium construction reduces overall valvetrain mass, allowing for quicker valve action and increased throttle response, perfect for high-RPM applications.

Was looking online for the best price on a part and found that autoplicity had the lowest price and free shipping on it. I ordered it and it was shipped the next day along with tracking number. I will be ordering a few more parts from autoplicity. Order Number: 27769

Ordering the product was easy and rep. Was helpful! The product was shipped fast and came a little messed up in package but complete to my knowledge.

Best price shipped on my product period. MBRP light bar for my Wrangler JK. Product shipped day after order was placed and arrived 2 business days later. Product was as advertised. Best price, fast service= return customer. Thanks

awesome..... great to deal with.. fast shipping and excellent customer service

Fast service, great prices, highly recomended retailer.

Excellent and very quick service. I could not find this product in stock from any other supplier so I kept hunting. I found Autoplicity and from now on they are the first company I will try. Thank you.

Fast -regular- shipping even on large items. I was skeptical at first but I am happy and don't regret my purchase!!!

By far they had the cheapest prices. I made a mistake on my order and they were able to switch it out for the correct item before it shipped. Amazing guest service over the phone, will def shop again with their low prices.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy