Engine Kits

SB Chevy Xtreme Energy Retro-Fit Hyd. Roller Camshaft
Click On Image To Enlarge

SB Chevy Xtreme Energy Retro-Fit Hyd. Roller Camshaft



Part #: 12-422-8
List Price: $586.88
Our Price: $316.04
You Save: $270.84



S.B. Chevy Extreme Energy Retro-Fit Hyd. Roller Camshaft #12-422-8. HYDRAULIC ROLLER: High performance application.
Largest with stock converter, noticeable idle.

Advertised Duration

Duration @ 0.050

Valve Lift
W/1.5 Rocker

Lobe Sep.
Angle

RPM
Operating
Range

Int.

Exh.

Int.

Exh.

Int.

Exh.

 

 

270

276

218

224

.495

.502

110º

1600- 5400

 

Advertised Duration 270 int./276 exh.
Advertised Exhaust Duration 276
Advertised Intake Duration 270
Basic Operating RPM Range 1,600-5,400
Brand COMP Cams
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 218 int./224 exh.
Exhaust Duration at 050 inch Lift 224
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.502 in.
Grind Number CS XR270HR-10
Intake Duration at 050 inch Lift 218
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.495 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 0.495 int./0.502 exh. lift

You might also be interested in the following items(s):
Related Items
Part # Product Price  
7809-16 Comp Cams High Energy Pushrods SB Chevy 262-400 $37.99
853-16 Comp Cams Hydraulic Roller Lifters; Chevy S/B $487.40
986-16 Small Block Chevy Dual Valve Spring Set .540" Max Lift $89.99