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Howling Moto

DRAG SPECIALTIES, DRAG SPECIALTIES Piston Kit - 3.937" Standard for 107" M8 Motor - Part Number 21900049-STD

DRAG SPECIALTIES, DRAG SPECIALTIES Piston Kit - 3.937" Standard for 107" M8 Motor - Part Number 21900049-STD

Regular price $180.15 USD
Regular price $180.15 USD Sale price $180.15 USD
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Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

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Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

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Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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Upgrade your engine with the DRAG SPECIALTIES piston kit designed specifically for 107" M8 motors. Each kit includes two pistons, wrist pins, and clips, providing everything needed for a reliable OEM replacement. The pistons are coated to extend their lifespan by reducing friction, which helps maintain engine performance and durability over time. These coatings also promote cooler running engines, which can enhance efficiency and prevent overheating during operation.

The pistons are compatible with OEM or Hastings rings, which are sold separately, offering flexibility for your rebuild or upgrade project. Crafted to meet or exceed OEM standards, this piston kit ensures a precise fit and long-lasting performance. Whether you're restoring a classic or upgrading your current engine, this kit provides quality components to keep your motorcycle running smoothly.

Designed for ease of installation and durability, the DRAG SPECIALTIES piston kit is a dependable choice for motorcycle enthusiasts seeking a high-performance upgrade or OEM replacement for their 107" M8 engine. Trust in the quality and craftsmanship of DRAG SPECIALTIES to deliver performance and longevity for your motorcycle engine.

Features:

  • Coated pistons to extend lifespan and reduce friction
  • Includes two pistons, wrist pins, and clips for complete replacement
  • Compatible with OEM or Hastings rings (sold separately)
  • Designed for 107" M8 engines with a 3.937" bore
  • Engineered for cooler running and improved engine performance


DRAG SPECIALTIES Piston Kit - 3.937" Standard for 107" M8 Motor - Part Number 21900049-STD



Upgrade your engine with the DRAG SPECIALTIES piston kit designed specifically for 107" M8 motors. Each kit includes two pistons, wrist pins, and clips, providing everything needed for a reliable OEM replacement. The pistons are coated to extend their lifespan by reducing friction, which helps maintain engine performance and durability over time. These coatings also promote cooler running engines, which can enhance efficiency and prevent overheating during operation.


The pistons are compatible with OEM or Hastings rings, which are sold separately, offering flexibility for your rebuild or upgrade project. Crafted to meet or exceed OEM standards, this piston kit ensures a precise fit and long-lasting performance. Whether you're restoring a classic or upgrading your current engine, this kit provides quality components to keep your motorcycle running smoothly.


Designed for ease of installation and durability, the DRAG SPECIALTIES piston kit is a dependable choice for motorcycle enthusiasts seeking a high-performance upgrade or OEM replacement for their 107" M8 engine. Trust in the quality and craftsmanship of DRAG SPECIALTIES to deliver performance and longevity for your motorcycle engine.


Features:


  • Coated pistons to extend lifespan and reduce friction

  • Includes two pistons, wrist pins, and clips for complete replacement

  • Compatible with OEM or Hastings rings (sold separately)

  • Designed for 107" M8 engines with a 3.937" bore

  • Engineered for cooler running and improved engine performance

ATTRIBUTES:


BRAND: DRAG SPECIALTIES


MPN: 21900049-STD


  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.