Feature: 1. Fitment: Stage 4 camshaft kit is fit for trucks SUVs with 4.8L 5.3L 6.0L or 6.2L engines, please confirm whether your model is applicable before buying. 2. OE Number: The part numbers for reference are BTR32430090, SNS004TR, 12623063, please confirm whether it is consistent with the OE you need. 3. For 4.8L 5.3L Engine: The camshaft offers impressive mid to top end power while providing a choppy idle that will turn heads. We recommend a above 3000 stall converters for those with automatics. 4. For 5.7L 6.0L Engine: This camshaft offers excellent midrange power and a noticeably choppy idle while still offering great drivability. We recommend a 3000‑3200 stall for optimal performance. 5. Direct Replace: Designed and manufactured according to the original sizes, can be used to refurbish and replace the old and broken failed camshaft kit. Specification: Item Type: Stage 4 Camshaft KitOE: BTR32430090, SNS004TR, 12623063 Kit Includes: Camshaft, valve spring, sealsFitment:Fit for trucks SUVs with 4.8L 5.3L 6.0L or 6.2L engines . Package List: 1 x Camshaft 16 x Valve Springs 16 x Seals Note: Please double check the part number and fitment of your item, matching information is for reference only.