Earls UltraPro One Way Check Valve - 253008ERL transmission-cooler-lines 4 V8 2011 - 2012

4 V8 2011 - 2012 Ram 2500 345/5

4L V8 1973 - 1974 GMC C25/C2500 Suburban 454/7

6L V8 1975 - 1976 Chevrolet El Camino   400/6

progressive nitrous control

Earls UltraPro One Way Check Valve - 253008ERL transmission-cooler-lines 4 V8 2011 - 2012Overview: Earl's is pleased to release a new one way check valve that is ideal for use on fuel and oil systems. Now offered with internal stainless steel hinge and GF 600S Viton seal. The GF 600S Viton is the highest quality seal material for all types of fuels including diesel & alcohol. The Internal spring releases to full flow at 1 psi (Note: blowing through it will only partially release the hinge). High PSI Rating is 1250 PSI. This product uses a