| Make | Model | Year |
|---|---|---|
| Ford | Country | 1969-1974 |
| Custom | 1969-1976 | |
| Elite | 1975-1976 | |
| Fairlane | 1970 | |
| Falcon | 1970 | |
| Galaxie | 1969-1974 | |
| LTD | 1969-1978 | |
| Mustang | 1969-1971 | |
| Ranch Wagon | 1969-1974 | |
| Thunderbird | 1968-1976 | |
| Torino | 1970-1976 | |
| Lincoln | Continental | 1968-1978 |
| Mark III | 1968-1971 | |
| Mark IV | 1972-1976 | |
| Mark V | 1977-1978 | |
| Mercury | Colony Park | 1969-1974 |
| Cougar | 1970-1971, 1973-1975 | |
| Cyclone | 1970-1971 | |
| Grand Marquis | 1975-1978 | |
| Marauder | 1969-1970 | |
| Marquis | 1969-1978 | |
| Montego | 1970-1976 | |
| Monterey | 1969-1974 |
Thumpr™ Hydraulic Roller Tappet Camshaft (34-600-9) by COMP Cams®. Let's face it, nothing grabs our attention at a car show or cruise night more than the hard hitting sound a thumping, high performance idle. Thumpr™ Camshafts deliver that aggressive, head-turning sound like no other cam on the market.
| Low-End RPM: 1900 |
| Top-End RPM: 5600 |
| Intake Duration at 0.050 In Lift: 227° |
| Exhaust Duration at 0.050 In Lift: 241° |
| Intake Valve Lift: 0.557" |
| Exhaust Valve Lift: 0.539" |
| Advertised Intake Duration: 283° |
| Advertised Exhaust Duration: 303° |
| Lobe Separation: 107° |
| Intake Centerline: 102° |
| Grind Number: 283THR7 |
| Attachment: 1-Bolt |
| Material: Billet Steel |
| Valve Timing: 0.006 |
| Lobe Lift Intake: 0.322" |
| Lobe Lift Exhaust: 0.312" |
| Intake Open BTDC: 38° |
| Exhaust Open BBDC: 78° |
| Intake Close ABDC: 65° |
| Exhaust Close ATDC: 45° |
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, COMP Cams® still retains the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.