COMP Cams · New
COMP Cams Camshaft FS 291Th R7 Thumper R
MPN 31-601-8 · Store SKU cca31-601-8
Supplier stock checked 11/8/2026, 7:55:18 AM 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/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle. Mutha' Thumpr 235/249 Hydraulic Roller Cam for Ford 221-302 Mutha' Thumpr 235/249 Hydraulic Roller Cam
Manufacturer fitment & guides
- Fits Ford 221, 255, 260, 289 and 302 Small Block
- 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