Engines and Components› Camshafts and Valvetrain

Kelford

Valve Spring Set for Mazda B6/BP/BPT Engines

$303.05

SKU: KVS12

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Overview

The Kelford KVS12 is a high-performance valve spring set designed for Mazda B6, BP, and BPT engines. Crafted from Kelford's proprietary 'PACALOY' material, these springs offer enhanced strength and longevity for demanding conditions. The set features an installed spring pressure of 66 lb and is designed to fit OEM retainers.
Show original supplier description
The Kelford KVS12 is a high-performance valve spring set engineered specifically for Mazda B6, BP, and BPT engines, offering a significant upgrade for enthusiasts seeking improved engine reliability and performance. Constructed from Kelford's proprietary 'PACALOY' material, these springs are built for exceptional durability and sustained performance, even under strenuous operating conditions. Key features of the KVS12 set include a robust PACALOY construction, ensuring enhanced strength and longevity. They are designed with an installed spring pressure of 66 lb to provide optimal support for your engine's performance demands. The KVS12 valve springs contribute to improved engine efficiency by maintaining precise valve control at high RPMs, a critical factor in maximizing power output. Customers have reported noticeable enhancements in throttle response and overall engine performance after installing these springs. With a technical specification of 66 lb installed spring pressure and a coil bind at 20.5mm, the KVS12 is optimized for performance applications, guaranteeing reliable valve seating and performance in high-stress situations, making them suitable for both street and track use.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandKelford
Part NumberKVS12
CategoryEngines and Components
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

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