I just ordered this to put on my Firehammer MT engine to put on when I install my big bore kit:
http://www.davesmotors.com/s.nl/c.885035/n.1/it.A/id.4477/.f
Does this really help prevent air leakage or did I waste my money?
http://www.davesmotors.com/s.nl/c.885035/n.1/it.A/id.4477/.f
Does this really help prevent air leakage or did I waste my money?