Product description
The S&S Cycle Piston Kit 80" Stock Big Twin For Harley Davidson FLH 1200 1979-1980 +0.020" is part of the latest collection from S&S Cycle.
Features:
- For 80" stock big twin motors
- Forged pistons for superior strength
- Piston kits include set of pistons, rings, wristpins, and clips
- Wrist pin deck height 1.270"
- Made in the U.S.A.
- Require the use of connecting rods with a rod length of 7.440"(standard length OEM #24281-74A connecting rods); use of earlier connecting rod with rod length of 7.470" (OEM # 24281-41A) will result in a slight increase in the compression ratio of about one-halfpoint, and may also result in clearance problems (check all piston to cylinder head clearances carefully when using early style rods).
Specifications:
- Bore - Oversize: +0.020"
- Bore Oversize - Imperial: +0.020"
- Bore Size: 3.520"
- Compression Ratio Imperial: 9.0
- Compression Ratio: 9.0
- Displacement: 80"
- Piston Material: Forged
- Product Name: Piston Kit
- Stroke Length: 4-1/4"
- Type: High Compression
- Units: Kit
To fit:
- Harley Davidson FLHS 1200 1979 Electra Glide Sport American Models
- Harley Davidson FLHS 1200 1980 Electra Glide Sport American Models
- Harley Davidson FLH 1200 1979 Electra Glide All Models
- Harley Davidson FLH 1200 1980 Electra Glide All Models
- Harley Davidson FXEF 1200 1979 Fat Bob All Models
- Harley Davidson FXE 1200 1979 Super Glide All Models
- Harley Davidson FXE 1200 1980 Super Glide All Models
- Harley Davidson FXS 1200 1979 Low Rider All Models
- Harley Davidson FX 1200 1979 Super Glide All Models
Manufacturer part number: 106-5521
View all S&S Cycle. View all Parts and spares.
Contents
Your package will include the following:
- 1 X S&S Cycle Piston Kit 80" Stock Big Twin For Harley Davidson FLH 1200 1979-1980 +0.020"
To fit:
- Harley Davidson FLHS 1200 1979 Electra Glide Sport American Models
- Harley Davidson FLHS 1200 1980 Electra Glide Sport American Models
- Harley Davidson FLH 1200 1979 Electra Glide All Models
- Harley Davidson FLH 1200 1980 Electra Glide All Models
- Harley Davidson FXEF 1200 1979 Fat Bob All Models
- Harley Davidson FXE 1200 1979 Super Glide All Models
- Harley Davidson FXE 1200 1980 Super Glide All Models
- Harley Davidson FXS 1200 1979 Low Rider All Models
- Harley Davidson FX 1200 1979 Super Glide All Models

Upgrade your V-twin with S&S Cycle performance parts, known for precision-engineered engines, exhausts, intakes, and camshafts. Built for power, reliability, and American-made quality, S&S components are ideal for Harley-Davidson and Indian motorcycles. Perfect for custom builds, touring upgrades, and performance tuning across a wide range of V-twin models.
Product description
The S&S Cycle Piston Kit 80" Stock Big Twin For Harley Davidson FLH 1200 1979-1980 +0.020" is part of the latest collection from S&S Cycle.
Features:
- For 80" stock big twin motors
- Forged pistons for superior strength
- Piston kits include set of pistons, rings, wristpins, and clips
- Wrist pin deck height 1.270"
- Made in the U.S.A.
- Require the use of connecting rods with a rod length of 7.440"(standard length OEM #24281-74A connecting rods); use of earlier connecting rod with rod length of 7.470" (OEM # 24281-41A) will result in a slight increase in the compression ratio of about one-halfpoint, and may also result in clearance problems (check all piston to cylinder head clearances carefully when using early style rods).
Specifications:
- Bore - Oversize: +0.020"
- Bore Oversize - Imperial: +0.020"
- Bore Size: 3.520"
- Compression Ratio Imperial: 9.0
- Compression Ratio: 9.0
- Displacement: 80"
- Piston Material: Forged
- Product Name: Piston Kit
- Stroke Length: 4-1/4"
- Type: High Compression
- Units: Kit
To fit:
- Harley Davidson FLHS 1200 1979 Electra Glide Sport American Models
- Harley Davidson FLHS 1200 1980 Electra Glide Sport American Models
- Harley Davidson FLH 1200 1979 Electra Glide All Models
- Harley Davidson FLH 1200 1980 Electra Glide All Models
- Harley Davidson FXEF 1200 1979 Fat Bob All Models
- Harley Davidson FXE 1200 1979 Super Glide All Models
- Harley Davidson FXE 1200 1980 Super Glide All Models
- Harley Davidson FXS 1200 1979 Low Rider All Models
- Harley Davidson FX 1200 1979 Super Glide All Models
Manufacturer part number: 106-5521
View all S&S Cycle. View all Parts and spares.
Contents
Your package will include the following:
- 1 X S&S Cycle Piston Kit 80" Stock Big Twin For Harley Davidson FLH 1200 1979-1980 +0.020"
To fit:
- Harley Davidson FLHS 1200 1979 Electra Glide Sport American Models
- Harley Davidson FLHS 1200 1980 Electra Glide Sport American Models
- Harley Davidson FLH 1200 1979 Electra Glide All Models
- Harley Davidson FLH 1200 1980 Electra Glide All Models
- Harley Davidson FXEF 1200 1979 Fat Bob All Models
- Harley Davidson FXE 1200 1979 Super Glide All Models
- Harley Davidson FXE 1200 1980 Super Glide All Models
- Harley Davidson FXS 1200 1979 Low Rider All Models
- Harley Davidson FX 1200 1979 Super Glide All Models

Upgrade your V-twin with S&S Cycle performance parts, known for precision-engineered engines, exhausts, intakes, and camshafts. Built for power, reliability, and American-made quality, S&S components are ideal for Harley-Davidson and Indian motorcycles. Perfect for custom builds, touring upgrades, and performance tuning across a wide range of V-twin models.































