Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Complete Kit
Lift: .504''/.510''
Duration: 262°/270°
RPM Range: 1300-5600




Camshaft Specification Table Part Number 249-K11-238-3 Engine 1965-1996 Chevrolet 396ci-454ci 8cyl. Grind Number CB XE262H-10 Description     Intake Exhaust Valve Adjustment 0 0 Gross Valve Lift 0.504 0.51 Duration At 0.006 Tappet Lift 262 270 Valve Timing At 0.006       Open Close Intake 25 57 Exhaust 69 21 These Specs Are For The Cam Installed At 106 Intake CL   Intake Exhaust Duration At 0.05 218 224 Lobe Lift 0.297 0.3 Lobe Separation 110   Recommended Valve Springs 249-911-16

Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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