Seller notes

Fitment and Product Information: Exhaust Valve STD Size Product Details: Brand: GSC Power DivisionPart Number: 2001-8UPC: Does Not Apply Product Features and Description: Stem Diameter (mm): 6.6Overall Length (mm): 109.2Head Diameter (mm): 30.5Swirl polished heads for smoother air flow over the valveBack cut to reduce valve weight for higher RPM, higher boost pressure, and allow for more aggressive cam profiles without increasing valve spring seat pressuresValve stems are micro polished to allow...

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