Retrofit Hydraulic Roller Lifter For Chevy/gm 396-502 Vertical Bar 8 Prs

  
8620 Chrome Molly Steel High Performance Magnum Hydraulic Roller Lifter. GM BBC Gen VI, 454/496/502 Original With Hydraulic Roller Cam block'96-18. GM BBC Mark IV, GEN V 396/402/427/454/502 Retrofit block with Hydraulic Roller Cam'65-95 8620 Steel Body Outside Diameter : 0.842. 9310 Steel Wheel Diameter : 0.700. Effective Working Length : 2.500 (Seat High).

A set of 8 pairs. Offer the best Hydraulic Roller Lifters for Original equipped Hydraulic Roller Lifter block and Retrofit a Pre-Hydraulic roller cam block for adapting and drop in a new Hydraulic Roller Cam and convert the Lifters to Hydraulic Roller Lifter without any machine work. Stainless Steel link bar make sure correct movement alignment obtained. Designed for Maximum 220 PSI Spring Seat Pressure. 600 PSI Spring Open Pressure.

Rated up to 6000 RPM. Chrome Molly Steel Body for long life usage.

Steel wheel withstand tough impact and high RPM and high spring pressure up to 300 lbs. NC machine center finish for precision outside diameter - 0.842 OD. Nti Pump Up allow engine reach maximum RPM. Recision Ball prevent hydraulic roller lifter "Pump Up" to match Camshaft profile.

Push Rods for New Lifters. This is Rule of Thumb, whenever install new Camshaft, Rocker arm, and Lifter on your engine, you shall also replace with new push rods at exact length. Item must be in the original box, all items in the box.