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Valve Spring Kit - 80-81700

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Valve Spring Kit - 80-81700

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MSRP: $327.95

Price: $295.16 10% off!
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Kibblewhite Precision Machining Valve Spring Kit - 80-81700

Racing Valve Spring Kit by Kibblewhite®. Since 1938, KPMI has taken great pride in ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent than with the development of the HIGH TECH LIGHTWEIGHT RACING VALVE SPRING KITS for the incredibly stressed and torturous environment in today's HIGH REVVING 4-STROKE ENGINES. The challenge to engineer a valvetrain that would outperform OEM systems, that in some cases included titanium components, was not an easy one. This task would require the concentrated efforts of every member of KPMI's design team. It was apparent early on that an OEM style spring with a bit more pressure was not going to be the complete answer for these engines.

Notes: This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME

  • Valvetrain and custom engineered components are second to none
  • You are purchasing product that has been engineered by a company that's been doing so for 79 years and 2 generations
  • None of Kibblewhite product achieves final approval without first traveling through a grueling development flow process

Working together as a team enabled KPMI to evolve with a "UNIFIED SYSTEM" approach. In fact, these INNOVATIVE HIGH PERFORMANCE LIGHTWEIGHT VALVE SPRING KITS, would not only outperform factory parts, but outlive them as well. Each KPMI spring kit is designed for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm, just to name a few! Today KPMI proudly offers COMPLETE HIGH PERFORMANCE LIGHTWEIGHT VALVE SPRING KITS for a host of applications.

KPMI® Guides must be installed when using cams greater than 0.430" valve lift.

Kibblewhite Precision Machining, Inc. (KPMI®) is a 79 year old valvetrain manufacturing company supplying the Motorsport Industry and select OEM's. Kibblewhite stock and distribute over 3,000 items to customers around the world. No other company in the world has product coverage for the motorsport industry. You will not find any other company in the world with such an extensive product line solely dedicated to the motorsport industry. KPMI® not only manufactures ready-made parts, they also provide contract manufacturing for OEM and other parties. Kibblewhite expert services include engineering, prototyping, and limited or full production runs.

Included Items:

(12) Intake / Exhaust steel retainers

(12) Chrome silicon springs

(12) Intake / Exhaust steel basewashers


Mfg #: 80-81700
Part #: 1800552
Type Valve Spring
Units Each
Weight 1.15 lbs
WARNING: Cancer and Reproductive Harm -
Resources & Manuals
Fitment for Kibblewhite Precision Machining Valve Spring Kit - 80-81700

Part 1800552 fits the following machines

  • YXZ1000R 2016-2020
  • YXZ1000R SE 2016-2020
  • YXZ1000R SS 2017-2020
  • YXZ1000R SS SE 2017-2020
  • YXZ1000R SS XT-R 2020
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