Turbo 400 TH400 TH375 M40 Transmission Shift Improver Kit Stage 2
Description:
Enhance your vehicle's performance with the Turbo 400 TH400 TH375 M40 Shift Improver Kit Stage 2. This kit is designed to improve shift quality and responsiveness, providing a more aggressive and efficient driving experience. Perfect for both street and track use, it ensures smoother transitions and better power delivery.
Features:
- Specifically designed for Turbo 400, TH400, TH375, and M40 transmissions
- Improves shift firmness and reduces slippage
- Compatible with various Chevrolet and GMC models
- Ideal for performance upgrades and daily driving
- Easy installation with included hardware
Turbo 400 TH400 TH375 M40 Transmission Shift Improver Kit Stage 2
Includes: Shift improver kit, installation hardware
Fits Models: Chevrolet, GMC
Model Years: 1965 - Present
Submodels: Various
Engine Options: V8, V6
Upgrade your transmission for better performance and reliability!
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
Product Enquiry
Got a question about this product? Need to check fitment for your vehicle? Fill in the form below and we'll get back to you within 24 hours.
Pay in 4 interest-free payments