Howards Hydraulic Roller Camshaft Only
Part # 181145-12
Good All Around Performance, Fair Idle, Good Vacuum, Computer Compatible with Chip
Fits 1987-1998 Chevy 305 / 350;

**For OE Roller Applications / With Stepped Nose 

Stock (O.E.) valve springs cannot be used**
Specs :

Camshaft Type: STEPPED NOSE Hydraulic Roller

Requires Use Of Retaining Plate
Basic RPM Range: 1500 to 5600
Valve Lift Intake: .525
Valve Lift Exhaust: .525
Duration Intake: 272
Duration Exhaust: 278
Duration at 050 Intake: 219
Duration at 050 Exhaust: 225
Lobe Separation: 112
Intake Centerline: 108
Firing Order: 1-8-4-3-6-5-7-2

Country Of Origin: United States

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