Comp Cams 54-412-11 : Camshaft, Hydraulic Roller Tappet, 265/271 Duration, .522/.529 Lift, Small Block, LS
CMP-54-412-11
XFI RPM Camshaft
-Cam Style : Hydraulic Roller Tappet
-Basic Operating RPM Range : 1,200-6,000
-Intake Duration at 050" Lift : 212
-Exhaust Duration at 050" Lift : 218
-Advertised Intake Duration : 265
-Advertised Exhaust Duration : 271
-Intake Valve Lift with Factory Rocker Arm Ratio : 0.522"
-Exhaust Valve Lift with Factory Rocker Arm Ratio : 0.529"
-Lobe Separation (degrees) : 114
-Camshaft Gear Attachment : 3-Bolt
-Computer-Controlled Compatible : Yes
-Grind Number : XR265HR
-Valve Springs Required : Yes
-Quantity : Sold individually
-Note : Does not require computer tuning, but highly recommended.
-Note : Stock Springs Cannot Be Used.
-Note : Image is a representation of this item. Actual item may vary.
-Cam Style : Hydraulic Roller Tappet
-Basic Operating RPM Range : 1,200-6,000
-Intake Duration at 050" Lift : 212
-Exhaust Duration at 050" Lift : 218
-Advertised Intake Duration : 265
-Advertised Exhaust Duration : 271
-Intake Valve Lift with Factory Rocker Arm Ratio : 0.522"
-Exhaust Valve Lift with Factory Rocker Arm Ratio : 0.529"
-Lobe Separation (degrees) : 114
-Camshaft Gear Attachment : 3-Bolt
-Computer-Controlled Compatible : Yes
-Grind Number : XR265HR
-Valve Springs Required : Yes
-Quantity : Sold individually
-Note : Does not require computer tuning, but highly recommended.
-Note : Stock Springs Cannot Be Used.
-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 |
