Howards Cams 197715-13 Gen III/IV LS American Muscle Hydraulic Roller Camshaft

This Howards Cams 197715-13 American Muscle Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Howards designed this cam for street/strip use and it is the same as #197712-10 with wider separation for easier tunability & smoother power band. A 9.5:1+ compression ratio and a 2300+ stall speed torque converter are highly recommended.

Howards Cams 197715-13 Gen III/IV LS American Muscle Hydraulic Roller Camshaft Specs:

• For Gen III/IV LS1 engines from 1997 through Present
• Basic RPM Range: 1900 to 7300
• Requires custom programmer/tuning
• Advanced lobe design for increased performance
• Valve Lift Intake: .525
• Valve Lift Exhaust: .525
• Intake Duration: 274
• Exhaust Duration: 285
• Intake Duration at .050”: 226
• Exhaust Duration at .050”: 236
• Lobe Separation: 113
• Intake Centerline: 109
• Recommended Lifter Set: 91013 Performance
• Recommended Premium Lifter Set: 91166 Retro-Fit Street
• Recommended Valve Springs: 98113
• Recommended Valve Spring, Retainer and Lock Kit: 98113-K1
• Firing Order: 1-8-7-2-6-5-4-3
• Made in the USA

Howards Cams designed this hydraulic roller camshaft for high performance on the street and at the drag strip.

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