Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Camshafts and Valvetrain
COMP Cams
COMP Cams Camshaft Kit CS XE256H-10
SKU: C007 K12-234-2
Advanced — 4+ hours
Overview
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Part #: K12-234-2
K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.
Camshaft / Lifters / Springs / Timing Set - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.447 / 0.454 in - Duration 256 / 268 - 110 LSA - Small Block Chevy - Kit
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Engine lacks low-end torque and feels sluggish
- Rough or unstable idle at stoplights
- Poor throttle response, especially off-idle
- Engine stalls under load or when cold
- Decreased fuel economy and overall power
Relevant Conversations
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- P0300 misfire after cam installation help
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- Can I install camshaft without pulling engine?
- COMP Cams K12-234-2 lift specs with 1.6 rockers
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | COMP Cams |
| Part Number | C007 K12-234-2 |
Videos
Comp Cams Thumpr vs. Xtreme Cam Sound Comparison
Comp Cams Xtreme Energy Idle
305 Small Block Chevrolet with Comp Cams Xtreme Energy Camshaft
Comp Cams XE256H-10 cam upgrade for 327 sbc
Flowmaster 40 Deltaflow Smallblock Chevy 350/358 Comp Cam XE256H
Quick Tech Video: How to Degree Your COMP Cams® Camshaft
Comp cams Extreme Energy 268H Hydraulic Flat Tappit, Stock 400sbc
Ford 302 Comp Cams Swap & Test
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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