Weed Wacker Posted September 12, 2011 Share Posted September 12, 2011 Does this front bumper take 9 points (C4,G1,G2,G4) or 7 points (C4,G1,G2) I think it's 9, just want to be sure. Does C18 apply to aftermarket, stock-sized valves that have a flat face vs OEM dished? No other differences exist. (Maybe slightly heavier due to no longer being dished...) C18) valve size change, modified, ported or polished OEM head (other than simple head shaving only) +6 Quote Link to comment Share on other sites More sharing options...
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