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Comp Cams Camshaft 51-225-4; Xtreme Energy 2300 to 6500 RPM 0.507 in. 0.510 in. Hydraulic Flat Tappet for Pontiac 265 to 455
$298.95
Part #: 51-225-4
Brand: Comp Cams
UPC: 036584047346
Estimated Ship Date: 9/7/2025 (From manufacturer)
This item ships free with qualifying orders of $150 or more.
See our shipping policy for more details.
Details
- Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
- More vacuum allows an increase in duration for improved performance and assists power brakes
- Excellent performance in street carbureted applications
- Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.
- Good top end horsepower Not legal for sale or use on pollution controlled motor vehicles.
Product Description
All Comp Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.
Specifications
- Camshaft Series:
- Xtreme Energy
- Make:
- Pontiac
- Engine:
- 265 to 455
- Camshaft Type:
- Hydraulic Flat Tappet
- RPM Range:
- 2300 to 6500 RPM
- Intake Valve Lift:
- 0.507 in.
- Exhaust Valve Lift:
- 0.510 in.
- Advertised Intake Duration:
- 284 deg.
- Advertised Exhaust Duration:
- 296 deg.
- Intake Duration @ .050":
- 240 deg.
- Exhaust Duration @ .050":
- 246 deg.
- Lobe Separation:
- 110 deg.
- Cam Gear Attachment:
- 1 Bolt
- Camshaft Material:
- Cast Iron
- Camshaft Grind Number:
- XE284H
- Usage:
- Street Performance
- Requires Aftermarket Valve Springs:
- Yes
- Notes:
- Includes assembly lubricant
- Quantity:
- Sold As Each
