Engine Kits

SB Chevy Xtreme Energy Retro-Fit Hyd. Roller Camshaft
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SB Chevy Xtreme Energy Retro-Fit Hyd. Roller Camshaft



Part #: 12-423-8
List Price: $791.74
Our Price: $316.04
You Save: $475.70



S.B. Chevy Extreme Energy Retro-Fit Hyd. Roller Camshaft #12-423-8. HYDRAULIC ROLLER: High performance street machines. 2000+ stall, gears, choppy idle.

Advertised Duration

Duration @ 0.050

Valve Lift
W/1.5 Rocker

Lobe Sep.
Angle

RPM
Operating
Range

Int.

Exh.

Int.

Exh.

Int.

Exh.

 

 

276

282

224

230

.502

.510

110º

1900 - 5600

 

Advertised Duration 276 int./282 exh.
Advertised Exhaust Duration 282
Advertised Intake Duration 276
Basic Operating RPM Range 1,900-5,600
Brand COMP Cams
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 224 int./230 exh.
Exhaust Duration at 050 inch Lift 230
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.510 in.
Grind Number CS XR276HR-10
Intake Duration at 050 inch Lift 224
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.502 in.
Lobe Separation (degrees) 110
Notes Retro-fit: Designed for early non-roller blocks. Requires thrust button and wear plate.
Notes Requires thrust button and wear plate.
Part Type Camshafts
Product Line COMP Cams Xtreme Energy Retro-Fit Camshafts
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.502 int./0.510 exh. lift

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