null Skip to main content

Manley BBC S/D 1.850 Exhaust Valves 12339-8

$286.72
Write a Review

Free Ground Shipping on orders over $150.00

Adding to cart… The item has been added
Exhaust Valve - Severe Duty - 1.850 in Head - 0.342 in Valve Stem - 5.500 in Long - Stainless - Brodix BB383 Head - Big Block Chevy - Set of 8

About Manley

Our Heritage

Since our inception in March 1966, Manley Performance Products has been at the forefront of the high-performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey began with a deep passion for performance and racing, igniting a legacy that continues to thrive today.

Innovators from the Start

Our early offerings, including stainless valves, forged pistons, camshafts, and more, set the stage for innovation in the automotive aftermarket. From our humble beginnings, we’ve come a long way, and our commitment to quality and performance has remained unwavering.

Legends Choose Manley

Over the years, we’ve proudly served legends of the racing world like Don Garlits, Bill Jenkins, and “Jungle Jim” Liberman. These partnerships defined an era and fueled our drive to push the limits of automotive excellence.

gt

Expanding Horizons

Our journey has seen us expand, with state-of-the-art facilities in Lakewood, New Jersey, and Orange, California. We offer a constantly evolving product line that caters to modern markets like sport compact, Ford modular, and Chevy LS. We’ve also made our mark as an OEM supplier, earning accolades from industry giants like Ford.

Committed to Excellence

As we stride confidently into the future, Manley Performance Products remains committed to redefining excellence in a constantly evolving high-performance aftermarket industry. We invite you to explore our offerings, experience our passion, and join us on this exciting journey of innovation and power.

Thank You for Choosing Manley

Enjoy the ride.

Our Guarantee

  • Best price Guaranteed
    Best Price Guaranteed
  • Live Chat Support
    Live Chat Support- Receive quick answers to your questions during business hours.
  • Fastest Shipping
    Fastest Shipping- Orders ship within 24 hours. Exclusions Apply.
  • 30 day return Guarantee
    30 Day Guarantee- Refunds within 30 days of the original order date. Exclusions Apply.

Spec Sheet

  • BrandManley
  • SKUMAN12339-8
  • Brand

    Brand

    About Manley

    Our Heritage

    Since our inception in March 1966, Manley Performance Products has been at the forefront of the high-performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey began with a deep passion for performance and racing, igniting a legacy that continues to thrive today.

    Innovators from the Start

    Our early offerings, including stainless valves, forged pistons, camshafts, and more, set the stage for innovation in the automotive aftermarket. From our humble beginnings, we’ve come a long way, and our commitment to quality and performance has remained unwavering.

    Legends Choose Manley

    Over the years, we’ve proudly served legends of the racing world like Don Garlits, Bill Jenkins, and “Jungle Jim” Liberman. These partnerships defined an era and fueled our drive to push the limits of automotive excellence.

    gt

    Expanding Horizons

    Our journey has seen us expand, with state-of-the-art facilities in Lakewood, New Jersey, and Orange, California. We offer a constantly evolving product line that caters to modern markets like sport compact, Ford modular, and Chevy LS. We’ve also made our mark as an OEM supplier, earning accolades from industry giants like Ford.

    Committed to Excellence

    As we stride confidently into the future, Manley Performance Products remains committed to redefining excellence in a constantly evolving high-performance aftermarket industry. We invite you to explore our offerings, experience our passion, and join us on this exciting journey of innovation and power.

    Thank You for Choosing Manley

    Enjoy the ride.
  • Fitment

    Fitment

  • Reviews

    Reviews

RELATED PRODUCTS