Peterson Fluid Systems Inline Pop-Off Valve -12AN 20-OTL-NG-4XL You asked for it and

You asked for it and AFCO delivered

Cylinder Head Specifications: Combustion chamber volume: 65cc / 70cc

Precision Die Cut

Tumble polished Aluminum construction for a long lasting shine that can be hand polished to a brilliant luster

Simply drill a hole in the exhaust

Peterson Fluid Systems Inline Pop-Off Valve -12AN 20-OTL-NG-4XL You asked for it andBreather assembly is installed in line from engine's crankcase. Valve seals engine from air entering engine, but opens in the event of crankcase pressure, allowing crankcase to vent. Peterson Fluid Systems is the choice of champions for wet and dry sump oiling systems. Peterson Fluid Systems offers a complete system from their class leading oil pumps to their championship winning oil tanks, oil and fuel filters, and accessory drives. Peterson Fluid