Description
Xtreme Energy 212/218 Hydraulic Flat Tappet Cam for Pontiac 265-455. Strong torque through low and mid-range with a good idle.
Product Overview
*Xtreme Energy Camshafts*
* 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.
Product Details
| Advertised Exhaust Duration: | 268 |
|---|---|
| Advertised Intake Duration: | 256 |
| Amazon ASIN: | B000CEO7J4 |
| Assembly Lubricant Included: | Yes |
| Basic Operating RPM Range: | 1,000-5,200 |
| C.A.R.B. E.O. Number: | N/A |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles?: | No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: | Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason: | N/A |
| California Proposition 65: | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Cam Type: | Hydraulic Flat Tappet |
| Cam and Lifter Kit Upgrade: | CL51-221-4 |
| Camshaft Gear Attachment: | 1-Bolt |
| Camshaft Material: | Cast Iron |
| Camshaft Series: | Xtreme Energy |
| Description: | Xtreme Energy 212/218 Hydraulic Flat Cam for Pontiac 265-455 |
| Engine Family: | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Exhaust Duration @ .050 in.: | 218 |
| Exhaust Duration at .050 inch Lift: | 218 |
| Exhaust Duration: | 268 |
| Exhaust Valve Lift(in): | 0.455 |
| Exhaust Valve Lift: | 0.455 |
| Grind Number: | XE256H |
| Intake Duration @ .050 in.: | 212 |
| Intake Duration at .050 Inch Lift: | 212 |
| Intake Duration: | 256 |
| Intake Valve Lift(in): | 0.447 |
| Intake Valve Lift: | 0.447 |
| K-Kit Upgrade: | K51-221-4 |
| Lifter Type: | Hydraulic Flat Tappet |
| Lifters Included: | No |
| Lobe Separation: | 110 |
| Part Number: | cca51-221-4 |
| RPM Range: | 1000-7000 |
| SK-Kit Upgrade: | SK51-221-4 |
| Title: | Xtreme Energy 212/218 Hydraulic Flat Cam for Pontiac 265-455 |
| Usage: | Street/Performance |
| Valve Springs Required: | Yes |
Application Summary
Pontiac 265-455 V8
Part Type
Engine Camshaft
Specifications
- Product Attributes - Brand
- COMP Cams
- Product Attributes - Manufacturer's Part Number
- 51-221-4
- Product Attributes - Part Type
- Camshafts
- Product Attributes - Product Line
- COMP Cams Xtreme Energy Camshafts
- Product Attributes - UPC
- 036584047186
- Product Attributes - Cam Style
- Hydraulic flat tappet
- Product Attributes - Camshaft Use
- Street/Strip
- Product Attributes - Basic Operating RPM Range
- 1,000-5,200
- Product Attributes - Intake Duration at 050 inch Lift
- 212
- Product Attributes - Exhaust Duration at 050 inch Lift
- 218
- Product Attributes - Duration at 050 inch Lift
- 212 int./218 exh.
- Product Attributes - Advertised Intake Duration
- 256
- Product Attributes - Advertised Exhaust Duration
- 268
- Product Attributes - Advertised Duration
- 256 int./268 exh.
- Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
- 0.447 in.
- Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
- 0.455 in.
- Product Attributes - Valve Lift with Factory Rocker Arm Ratio
- 0.447 int./0.455 exh.
- Product Attributes - Lobe Separation (degrees)
- 110
- Product Attributes - Remanufactured
- No
- Product Attributes - Computer-Controlled Compatible
- No
- Product Attributes - Grind Number
- XE256H
- Product Attributes - Valve Springs Required
- Yes
- Product Attributes - Quantity
- Sold individually.
Reference Information
| Brand Name/s | Comp Cams |
|---|---|
| StreetFX SKU | cca51-221-4 |
| SFX Item ID | 4120545 |
| Supplier Item Code | 4120545 |
| Manufacturer SKU | 51-221-4 |
| Manufacturer UPC | 36584047186 |
| Alternative References | sd455;, COM51-221-4, XE256H-10 |
Brochures
Compatibility
Pontiac 265-455 V8
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