Features double o-ring for improved air seal. Most brands only use a single o-ring.
Please note this is a bore-up cylinder head, to be used with boreup cylinder/piston head/nozzle compression parts. Will not work with standard bore compression parts
Looking for something? This is currently sold out, but that dosesn't mean it is gone for good! Enter your email address below and we'll email you when it is back in stock.