4Piston K24/K20 Vented Valve Cover Honda (B Series) and a motorsports-focused port and

and a motorsports-focused port and chamber design

4P Ported oil pump and baffled sump

This head is ideal for large all motor engines looking to make maximum power and for high horsepower turbo cars wanting to push beyond what our world record holding Outlaw ports have achieved

305-05-5210 - Pro 3+ (discontinued)

4Piston K24/K20 Vented Valve Cover Honda (B Series) and a motorsports-focused port and4Piston K24 K20 Vented Valve Cover For over two decades, 4 Piston Racing has exclusively offered our 4P Logo Valve Covers only to customers purchasing complete engines. Now, for the first time ever, they are available to everyone in 4P signature red. Take control of crankcase ventilation with our all new 4 Piston Racing K24 K20 Vented Valve Cover, engineered for high performance street and race applications. Designed specifically for serious K Series