KB928C020 3-5/8 big bore forged piston kit. +.020"
incl. VAT
Chapter members save 14% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- KB Performance Piston
- Part Number
- KB928C020
- OEM Reference
- —
- Pack Quantity
- Sold as a set
- Category
- Pistons And Rings Kits
- VAT Rate
- 20%
About This Product
KB Performance forged piston kit for 1948 to 1984 Panhead and Shovelhead engines with 3-5/8" big bore cylinders. Bore size is +.020". Forged from 4032 aluminium alloy with a low expansion rate. Suits stroker flywheels and various cylinder lengths. Compression is 8.50:1 with a standard stroke or up to 9.38:1 with a 4.750" stroke. Sold as a set. Includes offset wrist pins, rings, and retaining clips. Fit front and rear pistons in the correct orientation. Allow .001" extra wall clearance over cast specs to prevent scuffing when hot.
Manufacturer part number: KB928C020.
Fitment
59 models48-84 Pan; Shovel. With 3-5/8 big bore cylinders
FL Shovel 19 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1978–1982 | Electra Glide FLH |
| Harley-Davidson | 1978 | Electra Glide FLH 80 FLH-80 |
| Harley-Davidson | 1975–1979 | Electra Glide FLH-1200 |
| Harley-Davidson | 1979–1980 | Electra Glide FLH-80 |
| Harley-Davidson | 1975 | Electra Glide FLHF |
| Harley-Davidson | 1977 | Electra Glide FLHS-1200 |
| Harley-Davidson | 1983–1984 | Electra Glide FLHT |
| Harley-Davidson | 1984 | FLH Police 80 FLH |
| Harley-Davidson | 1979 | Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Glide Classic FLHT |
| Harley-Davidson | 1975 | Glide Police FL |
| Harley-Davidson | 1983 | Police FLH |
| Harley-Davidson | 1979–1980 | Police FLH 80 FLHP-80 |
| Harley-Davidson | 1979–1980 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1984 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1984 | Touring Electra Glide FLH |
| Harley-Davidson | 1978–1980 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 1977 | Touring Electra Glide Sport FLHS-1200 |
| Harley-Davidson | 1983 | Touring Electra Glide Standard FLHT |
FX Shovel 11 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983–1984 | FX Low Rider FXSB |
| Harley-Davidson | 1981–1984 | FX Super Glide FXE |
| Harley-Davidson | 1976–1979 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1977–1979 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1979–1980 | FX Super Glide FXS-80 |
| Harley-Davidson | 1981 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1980 | FX Super Glide Fat Bob FXEF-80 |
| Harley-Davidson | 1983–1984 | FX Wide Glide FXWG |
| Harley-Davidson | 1976–1977 | Super Glide 1200 FX-1200 |
| Harley-Davidson | 1981–1982 | Super Glide B80 FXB |
FXR 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1982–1984 | FXR Low Glide FXRS |
| Harley-Davidson | 1983 | FXR Super Glide FXR |
| Harley-Davidson | 1984 | FXR Touring FXRDG |
| Harley-Davidson | 1983–1984 | FXR Touring FXRT |
Panhead 19 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLF-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLH-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLHF-1200 |
| Harley-Davidson | 1965 | Electra Glide FLB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1949–1952 | Hydra Glide E-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide EL-1000 |
| Harley-Davidson | 1952 | Hydra Glide ELF-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide F-1200 |
| Harley-Davidson | 1949–1957 | Hydra Glide FL-1200 |
| Harley-Davidson | 1953–1956 | Hydra Glide FLE-1200 |
| Harley-Davidson | 1953–1956 | Hydra Glide FLEF-1200 |
| Harley-Davidson | 1952–1956 | Hydra Glide FLF-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLH-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLHF-1200 |
| Harley-Davidson | 1948 | Panhead F-1200 |
| Harley-Davidson | 1948 | Panhead FL-1200 |
Softail 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983 | Dyna Glide Glide Custom FXDG |
| Harley-Davidson | 1984 | Softail Standard FXST |
Touring 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983–1984 | Tour Glide Classic FLT |
| Harley-Davidson | 1979–1984 | Tour Glide FLT |
| Harley-Davidson | 1981–1982 | Touring Tour Glide FLT |
| Harley-Davidson | 1983 | Touring Tour Glide FLTD |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
S&S
3-5/8" repl. Evo SuperStock piston kit. +.040"
S&S
3-7/16" forged stroker piston kit. +.050"
S&S
3-7/16" forged stroker piston kit. +.080"
KB Performance Piston
1200 XL piston kit. +.005"
KB Performance Piston
883-1200 big bore piston kit. STD
KB Performance Piston
1200 XL piston kit. +.030"
KB Performance Piston
1340cc Shovel pop-up piston kit. STD
KB Performance Piston
1340cc Evo B.T. pop-up piston kit. STD
More from KB Performance Piston
View all →1200 XL piston kit. +.005"
883-1200 big bore piston kit. STD
1200 XL piston kit. +.030"
1340cc Shovel pop-up piston kit. STD
1340cc Evo B.T. pop-up piston kit. STD
96" to 103" big bore piston set. +.020"
Piston set +.030
1340 Shovel forged piston kit. STD
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.