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![Stainless Steel Exhaust Valves Oldsmobile 400, 425, 455 [1.680 in. Standard, 11/32 in. Stem Diameter]](https://www.jegs.com/images/mini_750/700/746/746-pce273.1064.jpg)
Vehicle Info NeededSPEEDMASTERPART NUMBER: 746-PCE273.1064
Stainless Steel Exhaust Valves Oldsmobile 400, 425, 455 [1.680 in. Standard, 11/32 in. Stem Diameter]
$7760
Ships on 09/15/2026
Lowest Price GuaranteeOldsmobile
- Stainless Steel Exhaust Valves
- Oldsmobile 400, 425, 455
- 1.680 in. Standard
- 11/32 in. Stem Diameter
- 1-Groove, Conventional
- Set of 8
When it's time for valves, don't cut corners. Get genuine Procomp Electronics stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. What's more, they have hardened stem tips for durability and are swirl-polished.
Speedmaster Exhaust Valves are designed to increase fuel flow, and withstand the stress and high temperature ranges in high performance engines. These lightweight, one-piece valves are forged from premium, swirl-polished stainless steel with hardened stem tips for long-term durability.
Part TypeValve
Product LineSpeedmaster Exhaust Valves
BrandSPEEDMASTER
Package Height2.5
Package Width6.5
Package Length11.5
Weight2.69 PG
Part CategoryPerformance Parts
Valve Head Diameter1.68 in (42.7 mm)
Valve Tip Length (In)0.250 in.
Valve Stem Diameter (In)11/32 in.
Undercut StemYes
Lock Groove Quantity1-groove
QuantitySet of 8
Valve Stem Diameter0.341 in (8.7 mm)
Part FitmentSemi Universal
Swirl-PolishedYes
Valve MaterialStainless steel
Lock Groove StyleConventional
Vendor Part NumberPCE273.1064
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
