Small Block Chevy LS-3, L-99 (L-92 Head) Severe Duty exhaust valves. 1.590 head diam., .3136 stem diam., stock length 4.923 O/A, .160 tip length, 25° X 7/16 underhead angle/radius, .070 margin, .115 X 45³ seat, 18° dish
Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8)
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Article nr: man11661-8Manufacture Partnumber: 11661-8 Engine code: Chevrolet L-99 Head Diameter: 1.590 in Seat Width: 0.115 in Stem Diameter: 0.3136 in Tip Length: 0.160 in Valve Quantity: 8 Valve Series: Severe Duty? Series Valve Type: Exhaust Product type: Engine Exhaust Valve Kit - Suitable for
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Manley Speed Equipment, Inc. Founded in 1966 by Hank Manley shortly after his graduation from Brown University. His great interest in performance cars and racing was founded in his 312 CID Ford V8 he built and raced on the streets of New Jersey. Shortly thereafter, the development of Manley Performance Products began, now valves, pistons, lifters, push rods and valve springs began to be manufactured.
Since this beginning, Manley has become one of the world's largest and leading players in engine parts. You will find them all over the world, both on street cars and in the absolute highest racing series. Manley also manufactures OEM parts, which you will therefore find in our standard car models. That trust guarantees quality!
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