
Enthusiasts looking to improve their Challenger's performance
Fits all 5.7L, 6.1L, and 6.4L HEMI engines.
Comp Cams
SKU: 26918CS-KIT
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Install Time
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Estimated Install Cost
Total with part: $1,275.95–$1,975.95
What You'll Need
Spring compressor tool required. Typically installed during camshaft swap.
Enthusiasts looking to improve their Challenger's performance
Fits all 5.7L, 6.1L, and 6.4L HEMI engines.
Strongly RecommendedECU Tuner / Programmer — Performance valve springs often accompany cam swaps that require ECU tuning.
SuggestedCamshaft — Upgraded valve springs are typically installed with performance camshafts that exceed stock lift.
When you install an aftermarket camshaft with more valve lift than stock, the factory valve springs aren't strong enough to close the valves fast enough at high RPM. This causes 'valve float' — the valves bounce open when they should be closed, which can lead to catastrophic valve-to-piston contact. Comp Cams' beehive springs use a progressive rate (softer at the bottom, stiffer at the top) that controls the valve precisely while putting less stress on the valvetrain. This kit includes springs, retainers, and locks for all 16 intake and exhaust positions. This is NOT optional with an aftermarket cam — it's mandatory.
0.600" Lift Beehive Valve Spring Kit (Hemi) changes 1 primary stock component (highlighted red). Included or supporting pieces are listed below.
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The build planner counts these as covered so you don't double-pay for parts this upgrade already addresses.
Valve Springs
Replaces stock
Valve Spring Retainers
Included in kit
Valve Locks / Keepers
Included in kit
Specifications
2 attributes| Cam Lift | 0.600 inches1 |
| Includes | Steel retainers1 |
Sources: 1Fasthemis
Tune Required
This part requires an ECU tune to function correctly. Without a tune, the engine computer won't adjust for the new part, potentially causing poor performance, check engine lights, or engine damage.
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Verified fitment includes 2022 Dodge Challenger. The full compatibility list is shown in the Compatible Vehicles section above; if your specific year/trim is not listed, double-check with the retailer before purchase.
Based on product data
This is rated as a professional-level install (6-8 hours (usually done with cam install)). We recommend a professional shop with the right lift and tooling. A custom tune is required for safe operation.
Based on product data
Plan on having or sourcing: Spring compressor tool required. Typically installed during camshaft swap.. The build planner on this site flags missing supporting parts when you add this kit to a build.
Based on product data
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