Crower Severe-Duty Mechanical Roller Lifter - 0.903 in OD - Link Bar - Big Black Chevy (Pair) 34012R This rear main seal is

This rear main seal is for wet and dry sump applications

This pressure control regulator has logged more hours than any other performance EFI marine regulator in the world

ports Size: 3-1/4" Dia

5 ft Cable / Housing

Flows 26 Percent Better Than Factory Intake System 5

Crower Severe-Duty Mechanical Roller Lifter - 0.903 in OD - Link Bar - Big Black Chevy (Pair) 34012R This rear main seal isProduct Description: Lifter Severe Duty Mechanical Roller 0. 903 in OD Link Bar Big Block Chevy Pair Crower Cams and Equipment Company, Inc., is a leading producer of aftermarket camshafts and valve train components. But over the years Crower has developed a more diverse line of products. Today, Crower is the world's largest manufacturer of aftermarket crankshafts and connecting rods, and the Crower line of clutches has been dominating the drag racing