Chevrolet Small Block LS7 1.570" +.500 Exhaust Valve

Name: Chevrolet Small Block LS7 1.570" +.500 Exhaust Valve
Brand: Pro Valve Racing
SKU: XPV21122
Price: 23.56 USD
Availability: InStock

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$31.00 $23.56

Vendor : Pro Valve Racing

Product Type : Exhaust Valve

Sku : XPV21122

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Our race series valve is forged from an EV-8 alloy then heat treated and stress relieved with a solution style heat treat process for better control though and through.

This process produces a better overall product with proper material grain flow that results in superior longevity & reliability in today's demanding race engines.

Quality control is our main objective!

Chevrolet Small Block LS7 Exhaust Valve

Head Dia. - 1.570"

OAL - 5.450"

Stem Dia. - 5/16

Tip Length - .290"

Material - 21-4n Stainless Steel

Lightweight Series

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PRO Measurement Term Definitions

Material	Stem Diameter	Overall Length	Tip Length	Groove Type	Seat Angle
Stainless Steel	Inconel	Titanium	17.9	29.9	24
39	41.3	39	18.2	30.1	24.5
40	42.5	40	18.5	30.3	25
42	44.9	42	19.1	30.7	25.5
44	47.2	44	19.7	31.1	26
46	49.6	46	20.3	31.5	26.5

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