COMP Cams 12-408-8 - Camshaft CS XR258HR-10
Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.480 / 0.487 in - Duration 258 / 264 - 110 LSA - 1000 / 5000 RPM - Small Block Chevy - Each
Strong torque, good mileage, stock to mildly modified combinations.
Xtreme Energy 206/212 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles. Xtreme Energy Benefits: Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve.More vacuum allows a step up in duration for greater performance. Best seller
Usage: Street/Performance
Cam Type: Hydraulic Roller
Grind Number: XR258HR
Basic Operating RPM Range: 1,000-5,000
Camshaft Series: Xtreme Energy
Intake Duration at .050 Inch Lift: 206
Exhaust Duration at .050 inch Lift: 212
Advertised Intake Duration: 258
Advertised Exhaust Duration: 264
Lobe Separation: 110
Intake Valve Lift: 0.48
Exhaust Valve Lift: 0.487
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Austempered Ductile Iron
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
SK-Kit Upgrade: SK12-408-8
K-Kit Upgrade: K12-408-8
Lifter Type: Hydraulic Roller
Cam and Lifter Kit Upgrade: CL12-408-8
Amazon ASIN: B002DFMLE8
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Grind Number: XR258HR
