Description
Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.564 in / 0.564 in - Duration 295 / 307 - 110 LSA - 3000 / 6500 RPM - Mopar B / RB-Series - Each
XEHL251/257HFTChrBRB
Xtreme Energy Hi-Lift 251/257 Hydraulic Flat Tappet Cam for Chrysler 383-440 (Single-Bolt). Serious street and bracket Race application. 10:1 Compression, lower Gears, headers and a 3500+ stall.
Additional Information
Serious street and bracket race cam. 10:1 compression, lower gears, headers and 3500+ stall.
Application Summary
Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440
Part Type
Engine Camshaft
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.
| Additional Application Notes | |
|---|---|
| • Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet;3000-6500rpm;Single Bolt;Adv. Dur. 295 Int./307 Exh.;Valve Lift .564 Int./Exh.;Lobe Angle 110 deg.; | |
| • w/ V Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet;3000-6500rpm;Single Bolt;Adv. Dur. 295 Int./307 Exh.;Valve Lift .564 Int./Exh.;Lobe Angle 110 deg.; | |
| • w/ V Engine VIN; | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Advertised Exhaust Duration: | 307 |
| Advertised Intake Duration: | 295 |
| Amazon ASIN: | B000P595HY |
| Assembly Lubricant Included: | Yes |
| Basic Operating RPM Range: | 3,000-6500 |
| 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. |
| Cam Type: | Hydraulic Flat Tappet |
| Cam and Lifter Kit Upgrade: | CL21-229-4 |
| Camshaft Gear Attachment: | 1-Bolt |
| Camshaft Material: | Cast Iron |
| Camshaft Series: | Xtreme Energy Hi-Lift |
| Description: | Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440 |
| Engine Family: | Chrysler 383-440 c.i. 8 Cylinder (1959-1980) |
| Exhaust Duration @ .050 in.: | 257 |
| Exhaust Duration at .050 inch Lift: | 257 |
| Exhaust Duration: | 307 |
| Exhaust Valve Lift(in): | 0.564 |
| Exhaust Valve Lift: | 0.564 |
| Grind Number: | XE295HL |
| Intake Duration @ .050 in.: | 251 |
| Intake Duration at .050 Inch Lift: | 251 |
| Intake Duration: | 295 |
| Intake Valve Lift(in): | 0.564 |
| Intake Valve Lift: | 0.564 |
| K-Kit Upgrade: | K21-229-4 |
| Lifter Type: | Hydraulic Flat Tappet |
| Lifters Included: | No |
| Part Number: | cca21-229-4 |
| RPM Range: | 3000-9000 |
| SK-Kit Upgrade: | SK21-229-4 |
| Title: | Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440 |
| Usage: | Street/Performance |
| Valve Springs Required: | Yes |
Product Downloads
| # | Document Type | Download |
|---|---|---|
| 1. | Catalog |
|
Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | cca21-229-4 |
| SFX Item ID | 4119421 |
| Accounting SKU | cca-21-229-4 |
| Manufacturer SKU | 21-229-4 |
| Manufacturer UPC | 036584078333 |
| Alternative References | 21-229-4, CCA-21-229-4, COM21-229-4 |
Camshaft, 1-Bolt, Hydraulic Flat Tappet, Advertised Duration 295/307, Lift .564/.564, Mopar, Big Block, Each
COMP Cams Xtreme Energy Hi-Lift camshafts are designed to take advantage of the latest improvements in valvetrain components, and the newest developments in camshaft design. The aggressive lobe design of these cams produces better throttle response, and their high-lift design gives extra lift for top-end horsepower.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 21-229-4 |
| Part Type | Camshafts |
| Product Line | COMP Cams Xtreme Energy Hi-Lift Camshafts |
| UPC | 036584078333 |
| Cam Style | Hydraulic flat tappet |
| Camshaft Use | Street/Strip |
| Basic Operating RPM Range | 3,000-6,500 |
| Intake Duration at 050 inch Lift | 251 |
| Exhaust Duration at 050 inch Lift | 257 |
| Duration at 050 inch Lift | 251 int./257 exh. |
| Advertised Intake Duration | 295 |
| Advertised Exhaust Duration | 307 |
| Advertised Duration | 295 int./307 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.564 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.564 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.564 int./0.564 exh. |
| Camshaft Gear Attachment | 1-bolt |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | XE295HL |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
| Notes | Single-bolt camshaft. |
Compatibility
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