Make sure this part fits

Screamin Eagle High Compression Pistons - 131 CI

$587.00

Part Number: 21900169
Quantity:
1

High-compression pistons 4.310" bore.

  • 4.31" Bore x 4.5" Stroke

  • Forged flat-top pistons

  • Piston design and rings engineered to withstand increased combustion forces for outstanding durability

  • Updated ring package with 1mm compression and scraper rings

  • Gas-ported to assist with ring sealing while allowing for low-tension and reduced friction

  • Screamin’ Eagle® products are not available for sale and are not street legal in all countries. Please contact your local dealer for more information

Replacement pistons for '24-later FLHX, FLHXU and FLTRX models equipped with a 131ci Stage IV Kit.

Installation Instructions

Dealer Install Recommended:

Yes

ECM Calibration Required:

Yes

WARRANTY:

1 year limited warranty – Go to www.h-d.com/warranty for full details

Harley-Davidson® motorcycles modified with some Screamin’ Eagle® Performance products must not be used on public roads and, in some cases, may be restricted to closed-course competition. These performance parts are 49-state U.S. EPA compliant but are NOT compliant for sale or use in California on pollution-controlled motor vehicles. California guidelines on tampering can also lead to substantial fines and penalties. Screamin’ Eagle® Performance products are intended for the experienced rider only.