Orders Over $99.99 Ship For Free!

Engine Rebuild Kits

S&S Cycle 131" Hot Set Up Engine Performance Kit

Brand: S&S CYCLE

SKU: P1450610239102

$2,695.95

$2,444.90

Taxes and shipping calculated at checkout.

131" Hot Set Up Engine Performance Kit

Fitment
211 synced vehicle records are available for this product.

Select a vehicle to confirm fitment against the active storefront filter.

Product Options

Choose your product options

Only 1 left in stock

1
Free shipping

Free shipping on orders over $99.99

Low price

Guaranteed Low Price

Product Details

Highlights

  • Updated profile eliminates frame and lifter block clearance issues.
  • Original engine serial numbers are retained.
  • Powder coat finish matches factory finishes.
  • Retains stock engine height.
  • Includes 131" cam cover badge.
  • Bolts in with no machine work for '17-'25 Touring models equipped with standard factory 114" or 117" M8 engines that feature 4-/8" stroke from the factory.
  • Requires crankcase split and component upgrades to fit '17-'25 M8 Touring 107" models and '18-'25 Softail models.
  • Specifically engineered for a 4-/8" stroke. Must be paired with an aftermarket 4-/8" stroker flywheel assembly to achieve 131" displacement on 107" and Softail models.
  • Works with stock crankcases: Cylinder spigots are designed to slide into the original factory cases.
  • Cylinders and pistons kit only, flywheel sold separately.
  • Kit Includes:.
  • 2x Cylinders.
  • 2x Flat-Top Forged Piston Kits.
  • Top-End Gaskets (Steel Head Gaskets and Rubber Base Seals).
  • 131" Milwaukee Eight Cam Cover Badge.

The S&S Cycle 131" kit for 2017 and up M8 is the perfect sleeper package. Boost your engine displacement to get some big numbers at the rear wheel, without advertising it. The kit bolts in with no machine work required and keeps your bike looking stock for the "sleeper" approach. Our 131" kit includes all the necessary gaskets for the installation and if you want to tell everyone what you have, a new 131" badge is included for your cam cover.

Specifications

Bore Size Imperial4.250"
Color/FinishNon-Highlighted Fins / Wrinkle Black
Compression Ratio Imperial11.0:1
Displacement131"
ModelHot Set Up
Riding StyleStreet
Stroke Length Imperial4.625"
TypeEngine
UnitsKit

Reviews

Rider reviews and ratings

0.0

Based on 0 reviews

5 star
0
4 star
0
3 star
0
2 star
0
1 star
0
Verified purchase badges are applied automatically when the reviewer has a completed order for this product.

Rider Feedback

Share your experience

Reviews stay local to this P1DS store and help other riders make faster decisions.

Signing in is optional. Guest reviewers only need a name and email, and the email is never shown publicly.

No reviews yet

Be the first rider to share how this product fits, performs, and holds up.