valve sizes and seats

For the RWD SR20DET cars! Sponsored by Wiring Specialties.
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s13sr20chris
Posts: 4148
Joined: Tue Jun 10, 2003 9:32 am
Car: '89 Nissan S13 w/redtop running 13psi and not leaking fuel anymore
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am i correct that my high port det has 34mm intake and 30mm exhaust valves? if so does anyone know if i could fit a 33mm exhaust valve in the stock valve seat(with machine work of course)? i have been quoted $50 to fit 33mm valves in my stock exhaust valve seats if i buy my own parts and do my own assembly.

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