Howards Cams 188085-09 SBC Big Daddy Rattler Hydraulic Roller

This Howards Cams 188085-09 SBC Big Daddy Rattler Hydraulic Roller Camshaft fits the 305-350 Small Block Chevy from 1987-1998. Howards designed this cam for OE Roller Applications/With Stepped Nose (Carbureted). It is great for pro street/strip use, and it features great mid-range performance and a rough idle. A 9.5:1+ compression ratio and a 2800+ stall speed torque converter are highly recommended.

Howards Cams 188085-09 SBC Big Daddy Rattler Hydraulic Roller Camshaft Specs:

• For 305-350 cubic inch Small Block Chevy engines from 1987-1998
• Basic RPM Range: 2400 to 6200
• Valve Lift Intake: .530
• Valve Lift Exhaust: .515
• Intake Duration: 296
• Exhaust Duration: 304
• Intake Duration at .050”: 243
• Exhaust Duration at .050”: 251
• Lobe Separation: 109
• Intake Centerline: 103
• Firing Order: 1-8-4-3-6-5-7-2
• Recommended Lifter Set: 91113 Performance
• Recommended Premium Lifter Set: 91113FB Variable Duration
• Recommended Valve Springs: 98213
• Recommended Valve Spring, Retainer and Lock Kit: 98213-K12
• Made in the USA

Notes: Stock (O.E.) valve springs can NOT be used.

Howards Cams designed this SBC Rattler Hydraulic Roller Camshaft for high performance on the street and drag strip.

Howards Hydraulic Roller Cams - From mild to wild, they are the ultimate in performance!