COMP Cams · New
Comp Cams Lifters, Harley Evo Forged Roller Tappet
MPN 7390-4 · Store SKU cca7390-4
Supplier stock checked 11/8/2026, 4:23:40 AM UTC. Adding a part does not reserve it.
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Product details
Performance Hydraulic Roller Lifters: VThunder by COMP Cams, the leader in valve train Technology, introduces their new replacement Evolution Big Twin hydraulic Roller lifter to its line of V-Twin aftermarket products. Our new lifter features a rigid nodular cast iron body with a 52100 bearing, axle and wheel assembly for strength. VThunder's lifter utilizes an advanced ultra-high flow metering system which allows more oil movement through the engine to aid in cooling. Each lifter is precision ID Ground and matched with a Graded piston, and features a high performance retaining ring. (4) Performance replacement hydraulic Roller lifters for 1984-1999 Big Twin EVO Harley Evo Forged Hydraulic Roller Lifters Big Twin Replacement Roller Tappet
Manufacturer fitment & guides
- Harley Davidson Evolution
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y