Description

This Comp Cams 12-408-8 SBC XR258HR Xtreme Energy Retro-Fit Hydraulic Roller Camshaft fits the 262-400 Small Block Chevy from 1958-1998. Comp designed this cam for street/strip use, and it features strong torque and good mileage. A 9.5:1 or higher compression ratio, lower rear end gears and a 1500+ stall speed torque converter are highly recommended.

Comp Cams 12-408-8 SBC XR258HR Xtreme Energy Retro-Fit Hydraulic Roller Camshaft Specs:

• For 262-400 cubic inch Small Block Chevy engines from 1958-1998
• Requires thrust button & wear plate
• Must use bronze tip fuel pump pushrod when using high pressure or high-volume pump
• Stock (O.E.) valve springs can NOT be used
• Basic RPM Range: 1000 to 5000
• Valve Lift Intake: .480
• Valve Lift Exhaust: .487
• Advertised Intake Duration: 258
• Advertised Exhaust Duration: 264
• Intake Duration at .050: 206
• Exhaust Duration at .050: 212
• Lobe Separation: 110
• Firing Order: 1-8-4-3-6-5-7-2
• Made in the USA

Comp Cams designed this Retro-Fit Hydraulic Roller camshaft for high performance on the street and drag strip.

Comp Cams The Absolute Leader In Valve Train Technology!