TRASK PERFORMANCE CheckM8™ vented transmission top cover fixes the excessive crankcase breather pressure issue on Harley-Davidson M8 engines.
Reduce or even eliminate the oil coming from the head breathers on your M8.
Machined from Billet Aluminum with a Boyesen one-way reed valve to vent the excessive crankcase pressure.
No annoying hose on your dipstick to worry about when checking your oil.
Proven on the Trask Performance King of the Baggers Race Bike.
Free up horsepower on M8 engines by allowing to rev easier.
Fits all M8 engines including 2017+ FL & 2018+ Softails