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$1,163.99
COMP Cams K51-423-9 Xtreme Energy Hyd. Roller Camshaft Kit, Pontiac V8
COMP Cams K51-423-9 Xtreme Energy Hyd. Roller Camshaft Kit, Pontiac V8

COMP Cams K51-423-9 Xtreme Energy Hyd. Roller Camshaft Kit, Pontiac V8

Pontiac V8, Hydraulic Roller Tappet Camshaft Type, 276 Intake Duration, 282 Exhaust Duration

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COMP Cams K51-423-9 Xtreme Energy Hyd. Roller Camshaft Kit, Pontiac V8
COMP Cams K51-423-9 Xtreme Energy Hyd. Roller Camshaft Kit, Pontiac V8
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We estimate this item will ship on or before August 3rd.
Part # 282K514239
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Camshaft Type:
Hydraulic Roller Tappet
Intake Duration:
276
Exhaust Duration:
282
RPM Range:
1800 to 5600
Lobe Separation:
110 °
Intake Duration @ .050" Lift:
224
Exhaust Duration @ .050" Lift:
230
GTIN Code:
036584055310
MFG. Part #:
K51-423-9
Grind Number:
XR276HR-10
Intake Valve Lift w/ Rocker Arm Ratio:
0.502"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.51"
Computer-Controlled Compatible:
No
Valve Springs Required:
No
Valve Spring Included:
Yes
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

K51-423-9 - Camshaft Kit, P8 XR276HR-10.

Pontiac 265-455 c.i. 8 cyl. 1955-1981. Hydraulic Roller-Great for street machines, needs headers, low gears, and 2200 stall. Xtreme Energy Hydraulic Roller Camshafts. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows an increase in duration for improved performance & assists power brakes
  • Excellent performance in street carbureted applications
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.

Application

1955-81 Pontiac 265-455
Some parts are not legal for use in California or other states with similar laws/regulations

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