Speak with an Expert
Speak with an Expert
Free* Shipping on Orders Over $159
Easy 30 Days- No Hassle Returns
37,000+ 5 Star Reviews
MFG Fitment Guarantee
Couldn't load pickup availability
Comp Cams Part Number 35-601-8 is a Mutha' Thumpr 235/249 hydraulic roller camshaft designed for Ford 351W engines (1969–1996). Known for its aggressive, choppy idle and strong street performance, this cam delivers excellent mid-range torque and throttle response. Ideal for enthusiasts seeking the signature Thumpr sound in a Windsor-based performance build.
Mutha' Thumpr series hydraulic roller camshaft
Aggressive idle and strong midrange torque
Designed specifically for Ford 351W applications
Broad 2,200–5,900 RPM operating range
1-bolt camshaft gear attachment
Suitable for street/performance builds
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Roller |
| Series | Thumpr |
| Engine Family | Ford 351W (1969–1996) |
| RPM Range | 2,200–5,900 |
| Advertised Duration (Int/Exh) | 291 / 311 |
| Duration @ .050" (Int/Exh) | 235 / 249 |
| Valve Lift (Int/Exh) | 0.522 / 0.526 |
| Lobe Separation Angle | 107° |
| Intake Open (BTDC) | 42° |
| Intake Close (ABDC) | 69° |
| Exhaust Open (BBDC) | 82° |
| Exhaust Close (ATDC) | 49° |
| Valve Timing @ .006" | Not specified |
| Gear Attachment | 1-Bolt |
| Usage | Street/Performance |
| Lifter Type | Hydraulic Roller |
| Warranty | 12 Months |
| UPC | 036584150930 |
| Emissions Code | Not specified |
| California Proposition 65 | Cancer and Reproductive Harm (P65Warnings.ca.gov) |
Make: Ford
Engine Family: 351 Windsor V8
Model Years: 1969–1996
Cam Gear Style: 1-bolt
