The Durathon^TM Series was developed utilizing the latest advances in precision CNC Machine Cell Technology, focusing on the most popular (Highest Volume) applications. Durathon^TM Lifters reature a High Quality, tough alloy body and roller bearing assembly and come standard with "Captive" (Permanently Attached) Guide Bars. All Lifters are precision ground "True-Round" .842" Diameter. Durathon^TM Roller Lifters are absolutely 100% Made in the USA and are competitively priced to go head to head with those lower-cost foreign-made lifters.

Small Block Chevy V-8 Oval Track Applications	Small & Big Block Chevy V-8 Drag Race Applications
Late models Modifieds 360 Sprints Hooters Pro Cup Series	Super Street Super Gas Super Comp Sportsman Brackets

Durathon^TM Roller Lifters are cmpatible with all Isky Tool Room^TM valve springs and recommended for applications where up to 700 lbs. maximum valve open spring force is employed.