COMP Cams · New
COMP Cams Thumpr 227/241 Hydraulic Roller Cam - Oldsmobile 260-455
MPN 42-600-11 · Store SKU cca42-600-11
Supplier stock checked 11/7/2026, 4:49:58 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle. Thumpr 227/241 Hydraulic Roller Cam for Oldsmobile 260-455 Thumpr 227/241 Hydraulic Roller Cam
Manufacturer fitment & guides
- Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y