Fits '58-'02 262-400 c.i.d. Chevy Small BlocksExcellent mid-range for TPI 350 with chip upgrade, injectors, plenum and exhaust system - 2000+ stallThe Xtreme Energy XFIâ„¢ Cam Lobe Series is designed for use with modern induction systems, heads, springs and Rockers. The XFIâ„¢ intake lobes have more lift than the base Xtreme Series, and the XFIâ„¢ exhaust lobes have more area under the curve, for better exhaust flow, than the base exhaust Series. These are the first hydraulic flat tappet profiles designed for use with COMP Cams Beehiveâ„¢ Valve Springs, such as the #26915, #26918 and #26120. The combination of these profiles, the Beehiveâ„¢ Springs, and our Ultra Pro Magnumâ„¢ Rocker Arms in higher ratios, makes for the most revolutionary improvement in hydraulic flat tappet design to date by bringing the latest Race winning Technology to the street 1: Cams for '55-'57 engines can be custom ordered. 2: The '87+ Chevy Small Block received provisions for Roller lifters. Most '87 - '93 GM cars came with Roller lifters, but most '87 - '95 trucks came with flat tappet lifters in Roller lifter style blocks. If a Roller Cam is desired and your block has OEM-style Roller Cam provisions. COMP Hydraulic Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased, as well as a '87+ OE-Style Hydraulic Roller Cam.

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