Kelford Performance Camshaft BMW M Series S58 288/268 | Stage 3

For professionally built engines only. JDY Stage 3 Racing Camshafts are engineered for extreme BMW S58 builds producing 1400+ HP. Designed for drag racing applications with 76mm+ turbo sizing, high boost, and ethanol or methanol fuel blends, these cams deliver maximum airflow, valve lift, and durability under the most demanding conditions.

🔧 Key Features

• Performance Specs

  • Duration: 298° / 292°

  • Valve Lift: 10.40mm / 10.80mm

• Extreme Power Capability

  • Supports 1400+ HP drag racing builds

  • Optimized for large turbo setups (76mm+)

• Valvetronic & VANOS Compatibility

  • Full use of Valvetronic and Dual VANOS systems

  • Requires clearance checks for full travel operation

• Valve Train Integration

  • Upgrade required: Kelford KVS58‑BT valve springs

  • Intake intermediate rocker clearance must be checked

  • OEM pressed steel rockers may need trimming/deburring to avoid fouling

• Proven Racing Performance

  • Independently tested by professional engine builders

  • Documented dyno results confirm significant gains with cam swaps

JDY Stage 3 Racing Camshafts are the ultimate choice for BMW S58 drag racing engines — delivering precision, airflow, and reliability for 1400+ HP builds.

If your item is in stock and the order is placed before 3 PM, it will ship the same day. Products that include ceramic coating are shipped the following business day. If the product or color you’re looking for is out of stock, you can join the waitlist by clicking the “Email When Available” button. We’ll notify you as soon as it’s back and provide an estimated restock time.

Custom Orders
For custom requests, please email us directly. We’ll review your order and provide an estimated delivery time based on the required manufacturing process.

Damaged, Incorrect, or Missing Items
If your order arrives damaged, incorrect, or missing parts, simply email us a photo along with your order number. We’ll arrange a refund or exchange right away. Contact us at info@ttmengineering.se and we’ll make it right.

Returns & Satisfaction
Unused and uninstalled products are eligible for a refund, exchange, or store credit. Unfortunately, once a product has been used or installed, we cannot accept returns or offer refunds. If you decide you don’t like a product after installation, it will not qualify for return.

Restocking Fee
A restocking fee of 20% of the original purchase price may apply to returned products. This fee covers the costs of processing and restocking. Please refer to our Policies Page for full details on exchanges and returns.