Howards Cams CL418045-09 Pontiac V8 Big Mama Rattler 4/7 Swap Retro-Fit Hydraulic Roller Camshaft and Lifter Kit

This Howards Cams CL418045-09 Big Mama Rattler 4/7 Swap Retro-Fit Hydraulic Roller Camshaft & Lifter Kit fits the 265-455 Pontiac from 1955-1981. Howards designed this cam and lifter kit for street/strip use, and it has a lopey idle. A 9.0:1 or higher compression ratio and 2500+ stall speed torque converter are highly recommended.

Howards Cams CL418045-09 Big Mama Rattler 4/7 Swap Retro-Fit Hydraulic Roller Camshaft & Lifter Kit Specs:

• For 265-455 cubic inch Pontiac engines from 1955-1981
• Includes Camshaft 418045-09 and Lifter Set 91466
• Basic RPM Range: 2000 to 5400
• Valve Lift Intake: .530
• Valve Lift Exhaust: .530
• Intake Duration: 288
• Exhaust Duration: 296
• Intake Duration at .050”: 235
• Exhaust Duration at .050”: 243
• Lobe Separation: 109
• Intake Centerline: 103
• Firing Order: 1-8-7-3-6-5-4-2
• Quantity: Sold as a kit
• Made in the USA

Notes: Stock (O.E.) valve springs can NOT be used. Ignition firing order MUST be changed to 1-8-7-3-6-5-4-2.

Howards Cams designed this Retro-Fit Hydraulic Roller Camshaft and Lifter Kit for high performance on the street and drag strip.