Comp Cams.502''/.510'' Lift Xtreme Energy XR276HR Retro-Fit Hydraulic Roller Camshaft Small Kit

COMP CAMS Comp Cams
SKU #CMP-SK12-423-8
Comp Cams.502''/.510'' Lift Xtreme Energy XR276HR Retro-Fit Hydraulic Roller Camshaft Small Kit
SKU CMP-SK12-423-8
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Chevy 262-400ci Small Block 1955-98
For engines NOT originally equipped with a hydraulic roller camshaft.

Features:

  • High Performance gears
  • Choppy idle
  • Street Machines
  • 2000+ stall

265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10

High performance street machines, 2000+ stall, gears, choppy idle.

Specifications:

Advertised Duration
276 int./282 exh.
Advertised Exhaust Duration
282
Advertised Intake Duration
276
Assembly Lubricant Included
No
Basic Operating RPM Range
1,900-5,600
Cam Style
Hydraulic roller tappet
Computer-Controlled Compatible
No
Duration at 050 inch Lift
224 int./230 exh.
Engine Make/Size
Chevy Small Block (262-400)
Exh. Duration @ .050 in. (Deg)
230
Exh. Duration Advertised (Deg)
282
Exhaust Duration at 050 inch Lift
230
Exhaust Valve Lift
0.51 in (12.954 mm)
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.51
Gaskets Included
No
Grind Number
CS XR276HR-10
Int. Duration @ .050 in. (Deg)
224
Int. Duration Advertised (Deg)
276
Intake Duration at 050 inch Lift
224
Intake Valve Lift
0.502 in (12.751 mm)
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.502
Lifter Style
Hydraulic roller
Lifter Type
Hydraulic Roller
Lifters Included
Yes
Lobe Separation (Deg)
110
Locks Included
No
Package Depth
25.60
Package Height
5.00
Package Width
10.30
Part Category
Performance Parts
Part Fitment
Semi Universal
Pushrods Included
No
Quantity
Sold as a kit
RPM Range
1900-5600
Retainers Included
No
Rocker Arms Included
No
Shipping Weight
18.75
Timing Chain Style
Double non-roller
Timing Chain and Gears Included
Yes
Usage
Street/Performance
Valve Lift with Factory Rocker Arm Ratio
0.502 int./0.510 exh.
Valve Springs Included
No
Valve Springs Required
Yes
Valve Stem Seals Included
No
Vendor Part Number
SK12-423-8
prop-warning

Chevy 262-400ci Small Block 1955-98
For engines NOT originally equipped with a hydraulic roller camshaft.

Features:

  • High Performance gears
  • Choppy idle
  • Street Machines
  • 2000+ stall

265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10

High performance street machines, 2000+ stall, gears, choppy idle.

Specifications:

Advertised Duration
276 int./282 exh.
Advertised Exhaust Duration
282
Advertised Intake Duration
276
Assembly Lubricant Included
No
Basic Operating RPM Range
1,900-5,600
Cam Style
Hydraulic roller tappet
Computer-Controlled Compatible
No
Duration at 050 inch Lift
224 int./230 exh.
Engine Make/Size
Chevy Small Block (262-400)
Exh. Duration @ .050 in. (Deg)
230
Exh. Duration Advertised (Deg)
282
Exhaust Duration at 050 inch Lift
230
Exhaust Valve Lift
0.51 in (12.954 mm)
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.51
Gaskets Included
No
Grind Number
CS XR276HR-10
Int. Duration @ .050 in. (Deg)
224
Int. Duration Advertised (Deg)
276
Intake Duration at 050 inch Lift
224
Intake Valve Lift
0.502 in (12.751 mm)
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.502
Lifter Style
Hydraulic roller
Lifter Type
Hydraulic Roller
Lifters Included
Yes
Lobe Separation (Deg)
110
Locks Included
No
Package Depth
25.60
Package Height
5.00
Package Width
10.30
Part Category
Performance Parts
Part Fitment
Semi Universal
Pushrods Included
No
Quantity
Sold as a kit
RPM Range
1900-5600
Retainers Included
No
Rocker Arms Included
No
Shipping Weight
18.75
Timing Chain Style
Double non-roller
Timing Chain and Gears Included
Yes
Usage
Street/Performance
Valve Lift with Factory Rocker Arm Ratio
0.502 int./0.510 exh.
Valve Springs Included
No
Valve Springs Required
Yes
Valve Stem Seals Included
No
Vendor Part Number
SK12-423-8
prop-warning
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