COMP Cams Xtreme Energy Hydraulic Roller Camshaft - 113 LSA - Gen IV Big Block Chevy H778003S a 1/4" NPT fitting is

a 1/4" NPT fitting is welded in at the top for an air bleed line

and provides lubricity for long engine life

It will also contain radiant heat

1978-1981 Plymouth Trailduster

1973-1987 Chevrolet El Camino

COMP Cams Xtreme Energy Hydraulic Roller Camshaft - 113 LSA - Gen IV Big Block Chevy H778003S a 1/4" NPT fitting isCOMP Cams Xtreme Energy Computer Controlled XR270HR 13 Camshaft for Gen VI Big Block Chevy Great mid range power, likes headers, needs custom tuning. Product Description: Camshaft Xtreme Energy Hydraulic Roller Lift 0. 510 0. 510 in Duration 270 276 113 LSA 1500 5500 RPM Gen VI Big Block Chevy For 30 years, the COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One