Skip to product information
S&S CYCLE Flywheel Assembly - 4-5/8" - 124" Big Twin '84-'99 320-0477
$1,595.95
Fitment check
Does this fit your bike?
A saved-bike match is a shopping aid. Always review manufacturer notes, exclusions, measurements, and installation requirements.
Flywheel Assembly - 4-5/8" - 124" Big Twin '84-'99
Features
- Replaces the original flywheels in S&S® 124" V124 engine for '84-'99 Big Twin
- Pinion and sprocket shafts are forged as part of the flywheel
- The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels
- CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels
- Fully assembled with premium quaility S&S® heavy duty 7.667" connecting rods, with full width wrist pin ends, and dynamically balanced
- Assembly is trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm
- Three piece design
- Left side flywheel is notched for crank position sensor.
- Balanced for S&S stock bore and 3-5/8" stroker pistons.
Specifications
- Displacement: 124"
- Engine Type: S&S V-Series
- Material: Steel
- Product Name: Flywheel Assembly
- Riding Style: Street
- Stroke Length: 4-5/8"
- Units: Each
- Country of Origin: US
- Package Dimensions: 14.83 L × 12.06 W × 10.95 H in
- Shipping Weight: 38.6 lb