My motor has the following parts on it and only revs to ~4000rpm
GX160
Arc rod +.020
Flattop piston stock bore
File fit rings
CM pushrods
1.3 billet rockers
26lb springs(have duals but can't find someone to cut down the seat)
307 lift cam from nrracing (307lift, ICL 08, LS 07)
.045 honda head gasket
27mm intake/25mm exaust valves(3angle valve job) (very mild port job)
Old style gx160 head
Arc 6619 flywheel w/ stock coil
No governor
22mm mikuni round side(95main/17pilot, needle clip on one up from the bottom)
Agk 2stage exhaust
GX160
Arc rod +.020
Flattop piston stock bore
File fit rings
CM pushrods
1.3 billet rockers
26lb springs(have duals but can't find someone to cut down the seat)
307 lift cam from nrracing (307lift, ICL 08, LS 07)
.045 honda head gasket
27mm intake/25mm exaust valves(3angle valve job) (very mild port job)
Old style gx160 head
Arc 6619 flywheel w/ stock coil
No governor
22mm mikuni round side(95main/17pilot, needle clip on one up from the bottom)
Agk 2stage exhaust