Xtreme Energy 250/256 Hydraulic Flat Cam SK-Kit for Chevrolet Small Block

Xtreme Energy™ 250/256 Hydraulic Flat Tappet Cam SK-Kit for Chevy Small Block Pro Street/bracket racing. Needs good intake, headers, gear and a 3300+ stall.
out of stock
SKU
SK12-254-3
TEMPORARILY OUT OF STOCK, ORDER NOW!
$377.95
Xtreme Energy™ 250/256 Hydraulic Flat Tappet Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams™ bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams™ provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles.

Includes Cam, Lifters, & Timing Set

Xtreme Energy™

Benefits:

  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows a step up in duration for greater performance
  • Best seller; excellent all around performance in street carbureted applications

Important Considerations:

  • Work best with COMP Cams® roller rockers and matched valve springs
  • Require other performance parts (intake manifold, headers, etc.) for best performance

Dyno Results

Camshaft Part #12-254-3Grind #XE294H-10
Duration @ 0.006":294° / 306Duration @ 0.050":250° / 256°
Max Lift w/ 1.5RR: .519" / .523"Lobe Separation:110°
Lobe ID#'s:5449 / 5231Intake Centerline:106°
Engine Type:Chevrolet 350 Small Block
Bore:4.040"Stroke:3.480"
Displacement:356ciCompression:9.25:1
Heads:Dart Sportsman IIIntake:Edelbrock Victor Jr.
Carburetor:Holley 750 dbl. pmp.Exhaust:1 3/4" Headers
Max Torque:394 ft*lbs @ 4100 RPMMax Power:415 HP @ 5800 RPM
Manifold Vacuum:8" Hg @ 1000 RPM & 10.5" Hg @ 1200 RPM w/ no load.