Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | COMP Cams |
| Part Number | C007 11-324-5 |
Videos
Big block chevy 454 comp cams xs274
COMP Big Mutha' Thumpr (11-602-4) 396 BBC
Comp Cams Thumpr vs. Xtreme Cam Sound Comparison
Fresh BBC 454 .03 OVER COMP XE274H
1985 Chevy C20 454 w/ Comp Cam Mutha Thumpr & Flowmaster Super 40's
Comp XE268H BBC 454 Flat Tappet Cam
1972 C10 Short Bed PATINA Big Mutha Thumper CAM
Hydraulic Flat Tappet Camshaft - Break in
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy