Howards Cams 114513-12S SBC Solid Roller 4/7 Swap Nitrous Camshaft

This Howards Cams 114513-12S SBC Big Bottle Solid Roller Small Base Circle 4/7 Swap Nitrous Camshaft fits the 262-400 Small Block Chevy from 1955-1998. Howards designed this cam specifically for use with multi-stage nitrous oxide systems. It features great mid to upper end power, and works well with 1.6 rockers. Howards highly recommends a 10.0:1+ compression ratio as well as a 4800+ stall speed torque converter.

4/7 Swap camshafts change the firing order to create even more power!

Howards recommends Small Base Circle camshafts in stroker engines to provide adequate rod bolt clearance while the engine is rotating.

Howards Cams 114513-12S SBC Big Bottle Solid Roller Nitrous Camshaft Specs:

• Ignition Firing Order Must Be Changed To: 1-8-7-3-6-5-4-2
• Small Base Circle
• For 262-400 cubic inch Small Block Chevy engines from 1955-1998
• Requires Thrust Button
• Requires upgraded distributor gear as well as fuel pump pushrod
• Basic RPM Range: 4400 to 8200
• Valve Lift Intake: .680
• Valve Lift Exhaust: .650
• Intake Duration: 305
• Exhaust Duration: 319
• Intake Duration at .050: 273
• Exhaust Duration at .050: 287
• Lobe Separation: 112
• Intake Centerline: 108
• Recommended Lifter Set: 91121 TrackMax
• Recommended Premium Lifter Set: 91134 RaceMax
• Recommended Valve Springs: 98543
• Made in the USA

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

Howards Cams designed this solid roller camshaft for nitrous oxide use on the street as well as the drag strip.

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