Comp Cams 127020 : Camshafts, Hydraulic Roller Follower, 273/306 Duration, .450/.450 Lift, Ford, Modular V8, 3V, Pair
CMP-127020
Thumpr NSR Modular 3V Camshafts
-Cam Style : Hydraulic Roller Follower
-Basic Operating RPM Range : 750-6,600
-Intake Duration at 050" Lift : 234
-Exhaust Duration at 050" Lift : 254
-Advertised Intake Duration : 273
-Advertised Exhaust Duration : 306
-Intake Valve Lift with Factory Rocker Arm Ratio : 0.450"
-Exhaust Valve Lift with Factory Rocker Arm Ratio : 0.450"
-Lobe Separation (degrees) : 109
-Computer-Controlled Compatible : Yes
-Grind Number : MT273LL-9
-Valve Springs Required : No
-Camshaft Manufacturers Description : Very rough idle. Biggest cam for stock heads. Great power above 4,900 RPM. Compatible with stock valve springs. Benefits from coverter and gears. Requires cam phaser upgrade and custom tuning.
-Quantity : Sold as a pair.
-Note : Mutha' Thumpr, designed to fit SOHC modular 3V engines.
-Note : Image is a representation of this item. Actual item may vary.
-Cam Style : Hydraulic Roller Follower
-Basic Operating RPM Range : 750-6,600
-Intake Duration at 050" Lift : 234
-Exhaust Duration at 050" Lift : 254
-Advertised Intake Duration : 273
-Advertised Exhaust Duration : 306
-Intake Valve Lift with Factory Rocker Arm Ratio : 0.450"
-Exhaust Valve Lift with Factory Rocker Arm Ratio : 0.450"
-Lobe Separation (degrees) : 109
-Computer-Controlled Compatible : Yes
-Grind Number : MT273LL-9
-Valve Springs Required : No
-Camshaft Manufacturers Description : Very rough idle. Biggest cam for stock heads. Great power above 4,900 RPM. Compatible with stock valve springs. Benefits from coverter and gears. Requires cam phaser upgrade and custom tuning.
-Quantity : Sold as a pair.
-Note : Mutha' Thumpr, designed to fit SOHC modular 3V engines.
-Note : Image is a representation of this item. Actual item may vary.
- Free domestic shipping over $99
Racing Helmets
| helmet | size | measurement | metric |
| XS | 6-5/8 to 6-3/4 | 20-7/8 to 21-1/4 | 53 to 54 |
| S | 6-7/8 to 7 | 21-5/8 to 22 | 55 to 56 |
| M | 7-1/8 to 7-1/4 | 22-3/8 to 22-3/4 | 57 to 58 |
| L | 7-3/8 to 7-1/2 | 23-1/8 to 23-1/2 | 59 to 60 |
| XL | 7-5/8 to 7-3/4 | 23-7/8 to 24-1/4 | 61 to 62 |
| 2XL | 7-7/8 to 8 | 24-3/4 to 25-1/8 | 63 to 64 |
CMR Helmets
| helmet | size | measurement | metric |
| XS | 6-1/2 to 6-5/8 | 20-1/2 to 20-7/8 | 52 to 53 |
| S | 6-3/4 to 6-7/8 | 21-1/4 to 21-5/8 | 54 to 55 |
| M | 6-7/8 to 7 | 21-5/8 to 22 | 55 to 56 |
| L | 7-1/8 to 7-1/4 | 22-3/8 to 23-3/4 | 57 to 58 |
Rookie Helmets
| helmet | size | measurement | metric |
| One size | 6-3/4 to 7 | 21-1/4 to 22 | 54 to 56 |
