Engine Kits

Comp Cams Mutha Thumpr 283THR7
Click On Image To Enlarge

Comp Cams Mutha Thumpr 283THR7



Part #: 54-601-11
List Price: $841.98
Our Price: $420.99
You Save: $420.99

Availability: In Stock



CompCams Mutha Thumpr 283THR7

RPM Operating Range: 2300-6600
Adv. Intake/Exhaust: 283/303
Dur. @ .050" Intake/Exhaust: 227/241
Advertised Duration 283 int./303 exh.
Advertised Exhaust Duration 303
Advertised Intake Duration 283
Basic Operating RPM Range 2,300-6,600
Brand COMP Cams
Cam Style Hydraulic roller tappet
Camshaft Gear Attachment 3-bolt
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 227 int./241 exh.
Exhaust Duration at 050 inch Lift 241
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.546 in.
Grind Number 283THR9
Intake Duration at 050 inch Lift 227
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.563 in.
Lobe Separation (degrees) 109
Notes Requires computer tuning in stock EFI applications.
Part Type Camshafts
Product Line COMP Cams Thumpr Hydraulic Roller Camshafts
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.563 int./0.546 exh. lift