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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Wiseco

Wiseco Black Edition™ Piston Kit - 40253PS For Harley Motorcycles 2017-2026

MPN: 40253PS SKU: 0910-6946
Wiseco

Wiseco Black Edition™ Piston Kit - 40253PS For Harley Motorcycles 2017-2026

MPN: 40253PS SKU: 0910-6946
Availability:
Out of stock
Features ArmorX™ piston coating for protection in extreme conditions and reduced wear ArmorFit™ skirt coating auto-adjusts to the cylinder wall, no need to measure clearance Dome design for improved flame travel to maximize air/fuel burn efficiency Super finish piston pins reduces friction and improves scuff resistance Enhanced pin oiling for improved lubrication and reduced friction Rings are precision fit for improved compression and oil control Augmented ring land details improve ring seal and function High compression for added power Made in the USA Fits OEM and Screamin' Eagle cylinder heads. Specs Units Kit Riding Style Street Skirt Coating ArmorFit™ Bore Size 4.135" Compression Ratio 11.3:1 Piston Diameter 4.132" Piston Material Forged 2618 Aluminum Model Black Edition™ Piston Head Shape Inverted Dish Stroke Length 4.500" Displacement 121" Product Name Piston Kit Part Notes Includes: • 2x Pistons • 2x Ring Sets • 2x Piston Pins • 2x Circlip Sets
Sold out
Original price $259.95 - Original price $259.95
Original price
$259.95
$259.95 - $259.95
Current price $259.95

Product Details

Features

  • Features ArmorX™ piston coating for protection in extreme conditions and reduced wear
  • ArmorFit™ skirt coating auto-adjusts to the cylinder wall, no need to measure clearance
  • Dome design for improved flame travel to maximize air/fuel burn efficiency
  • Super finish piston pins reduces friction and improves scuff resistance
  • Enhanced pin oiling for improved lubrication and reduced friction
  • Rings are precision fit for improved compression and oil control
  • Augmented ring land details improve ring seal and function
  • High compression for added power
  • Made in the USA
  • Fits OEM and Screamin' Eagle cylinder heads.

Specs

Units Kit
Riding Style Street
Skirt Coating ArmorFit™
Bore Size 4.135"
Compression Ratio 11.3:1
Piston Diameter 4.132"
Piston Material Forged 2618 Aluminum
Model Black Edition™
Piston Head Shape Inverted Dish
Stroke Length 4.500"
Displacement 121"
Product Name Piston Kit

Part Notes

  • Includes:
  • • 2x Pistons
  • • 2x Ring Sets
  • • 2x Piston Pins
  • • 2x Circlip Sets

Product Description

Features

  • Features ArmorX™ piston coating for protection in extreme conditions and reduced wear
  • ArmorFit™ skirt coating auto-adjusts to the cylinder wall, no need to measure clearance
  • Dome design for improved flame travel to maximize air/fuel burn efficiency
  • Super finish piston pins reduces friction and improves scuff resistance
  • Enhanced pin oiling for improved lubrication and reduced friction
  • Rings are precision fit for improved compression and oil control
  • Augmented ring land details improve ring seal and function
  • High compression for added power
  • Made in the USA
  • Fits OEM and Screamin' Eagle cylinder heads.

Specs

Units Kit
Riding Style Street
Skirt Coating ArmorFit™
Bore Size 4.135"
Compression Ratio 11.3:1
Piston Diameter 4.132"
Piston Material Forged 2618 Aluminum
Model Black Edition™
Piston Head Shape Inverted Dish
Stroke Length 4.500"
Displacement 121"
Product Name Piston Kit

Part Notes

  • Includes:
  • • 2x Pistons
  • • 2x Ring Sets
  • • 2x Piston Pins
  • • 2x Circlip Sets

Part Numbers
Store SKU MFR. Product # Availability
0910-6946 40253PS Out of Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Features

  • Features ArmorX™ piston coating for protection in extreme conditions and reduced wear
  • ArmorFit™ skirt coating auto-adjusts to the cylinder wall, no need to measure clearance
  • Dome design for improved flame travel to maximize air/fuel burn efficiency
  • Super finish piston pins reduces friction and improves scuff resistance
  • Enhanced pin oiling for improved lubrication and reduced friction
  • Rings are precision fit for improved compression and oil control
  • Augmented ring land details improve ring seal and function
  • High compression for added power
  • Made in the USA
  • Fits OEM and Screamin' Eagle cylinder heads.

Specs

Units Kit
Riding Style Street
Skirt Coating ArmorFit™
Bore Size 4.135"
Compression Ratio 11.3:1
Piston Diameter 4.132"
Piston Material Forged 2618 Aluminum
Model Black Edition™
Piston Head Shape Inverted Dish
Stroke Length 4.500"
Displacement 121"
Product Name Piston Kit

Part Notes

  • Includes:
  • • 2x Pistons
  • • 2x Ring Sets
  • • 2x Piston Pins
  • • 2x Circlip Sets