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Manley 12343-8 Severe Duty Stainless Steel Exhaust Valves BB Chevy 1.800" 8-Pack

Manufacturer

Picture for manufacturer Manley

Part Number

12343-8
11 reviews
Sale Price

$301.07

Estimated ship date Wednesday, November 18

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Product Details

The Manley 12343-8 Severe Duty Stainless Steel Exhaust Valves are precision-engineered for high-performance Big Block Chevy applications featuring an 11/32" stem.

Each valve is manufactured from high-grade stainless steel for exceptional heat resistance and durability under demanding racing and performance conditions. A back cut is included on every valve to improve airflow efficiency and throttle response. These valves serve as direct equivalents to Brodix part number BR81080.

Specifications:

  • Type: Exhaust
  • Head Diameter: 1.800"
  • Stem Diameter: 0.3415" (11/32")
  • Length: +0.500" (over standard)
  • Back Cut: Included
  • Material: Stainless Steel
  • Quantity: 8 per package

Cross-Reference Part Numbers:

  • Manley P/N 12341 / 12343 = Brodix BR81080
  • Manley P/N 12344 = Brodix BR81403

Manley Performance has been a trusted manufacturer of high-performance engine components for decades. Their Severe Duty valve line is built to withstand the rigors of high-lift, high-RPM, and forced-induction engine builds where stock valves simply fall short.

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GOOD SERVICE , FAST SHIPPING , GREAT PRICE !!!!!

Really hard to find plugs - autoplicity had over 100 "in-stock" - great price also.

great price

Quick, efficient, professional

Great service. Shipping cost is higher than most but fast.

Window motor and regulator was the best price around! Shipping was quick, and it was exactly the part I ordered. I will definitely be ordering again from Autoplicity!

All pieces ordered were shipped promptly and arrived in very great shape. I will be ordering from this site again.

Very fast shipping and price is rite

Prompt on shipping order and delivery. I will use them again with future purchases

Good so far...

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