TB Valve springs, HD – KLX140
Price Matching
- Price Match requests must be made BEFORE placing your order
- Competing product must be the exact same including color, size, year, part number, etc.
- Competing website must be a valid/authorized U.S. dealer
- Competing website must not operate as drop shippers
- Competing website must list prices, including shipping\handling, taxes, etc. in U.S. dollars
- Price matching is for the total cost of the item including shipping/handling, taxes and any other related fees
Exclusions (including, but not limited to):
- Any items that are closeout/backorder/clearance items
- Blemished or scratch and dent
- Products with Manufacturer Advertised Price (MAP) policies
- Competitor coupons
- Verbal discounts or emailed discounts
- eBay, Amazon, Walmart and other e-commerce/discount market places
- Price match will exclude you from any additional discounts or offer codes on an order
- Low price guarantee program can be discontinued, changed or refused at any time by Faster Minis' sole discretion
Price Protection
We will honor our sales price within 48 hours of the time you purchased. You will need to email us your original order number and item(s) in question. A customer service rep will review the order and our current sale to verify eligibility. If your order falls within our time frame and the items are eligible and in stock, a refund will then be issued.

Description
TB Valve springs, HD – KLX140
Upgrade your engine’s performance with TBparts Heavy Duty Valve Springs. Designed to handle higher RPMs and increased lift from performance camshafts, these springs are the ideal solution for high-output builds. Whether you’re installing a big bore kit or racing at the limit, our HD springs help prevent valve float and ensure consistent valve timing under extreme conditions. Whether you’re building a race-ready KLX140 or just want more power with peace of mind, these heavy duty valve springs are the perfect match.
Key Features:
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Heavy-duty construction for increased 30% spring pressure
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Prevents valve float at high RPMs
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Ideal for performance cams and big bore kits
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Direct replacement – no modifications required
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Durable, long-lasting materials for reliable performance
- All Models – Designed specifically for the KLX140 engine
Run harder, rev higher, and stay in control with TBparts HD Valve Springs.