
TB Valve springs, HD – KLX140
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:
-
Heavy-duty construction for increased 30% spring pressure
-
Prevents valve float at high RPMs
-
Ideal for performance cams and big bore kits
-
Direct replacement – no modifications required
-
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.
Original: $24.99
-65%$24.99
$8.75Product Information
Product Information
Shipping & Returns
Shipping & Returns
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:
-
Heavy-duty construction for increased 30% spring pressure
-
Prevents valve float at high RPMs
-
Ideal for performance cams and big bore kits
-
Direct replacement – no modifications required
-
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.














