Vehicle Fitment
- Fits Following Engines: 273 CID Chrysler Small Block V8
- Fits Following Engines: 318 CID Chrysler Small Block V8
- Fits Following Engines: 340 CID Chrysler Small Block V8
- Fits Following Engines: 360 CID Chrysler Small Block V8
Thumpr™ Hydraulic Roller Tappet Camshaft (20-600-9) 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: 0.513" |
Exhaust Valve Lift: 0.498" |
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: 0.342" |
Lobe Lift Exhaust: 0.332" |
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.