CP-Carrillo Automotive Piston, Set Of 4, Cyl: 4, Material ID: Remark Exhaust more area under the lift

more area under the lift curve & more vacuum which allows an increase in duration for improved performance & assists power brakes " Excellent performance in street or street/strip applications " Best performance w/ aftermarket intake manifolds

as well as the RPM at which the Engine will be run

so buy two if your bumper needs both mounting points secured

BB Chevy - OEM

This is the complete glass assembly with its factory backing intact

CP-Carrillo Automotive Piston, Set Of 4, Cyl: 4, Material ID: Remark Exhaust more area under the liftThe principal function of the piston rings is to form a seal between the combustion chamber and the crankcase of the engine. The goal is to prevent combustion gases from passing into the crankcase and oil from passing into the combustion chamber. During the compression and power strokes, the compression ring seals the combustion gases and prevents blow by. Although blow by is not completely eliminated it is kept to an acceptable limit. During the