Hardcore Motorcycle Cylinder Head Gasket Kit 72mm Bore Direct Bolt On Replacement For Xc Xc W 300 Enduro Dirt Bikes 2017 2018 Exact Match Part 55630038000 Bulletproof Performance
✔️ Direct bolt kit for XC 300 models 2017 to 2018 72mm bore
This single cylinder head gasket kit restores factory compression ratios in hard hitting two stroke dirt bikes. Riders swap this seal to stop white smoke and lost power after hard track sessions or deep mud runs. The assembly bolts right into existing cases without custom machining or weird adapters. This exact match kit references production number 55630038000 for straight swap installs that bring back steady throttle response and dry combustion chamber conditions.
✅ Exact match fitment for twenty seventeen to twenty eighteen XC300 platforms✅ Precision cut to handle eight zero psi peak cylinder pressures
✅ Steel reinforced ring blocks coolant seepage into cooling jackets
✅ Multi layer steel core resists blow out during sudden RPM spools
💡 Why does a dirt bike cylinder head gasket leak compression under heavy load?
The real culprit usually comes down to warped mating surfaces or aged rubber breakdown during summer races. Slipping on a fresh seal is a handy move to dodge heat fade and save a blown top end. Keep your wrench ready for these quick fixes:
- Scuff the deck plate smooth so hot gases stay trapped below the piston rings
- Finger tighten the head studs evenly to dodge those nasty stress cracks near the coolant ports
- Pack synthetic anti seize paste into the tube groove to lock her down tighter than stock