| Model/Year | Piston Kit W/Rings | Ring Sets Only |
| 15 hp 94-04 Mercosil Block | 100-04K | 200-04 |
| 20 hp 72-79 | 100-05K | 200-05 |
| 20 hp 94-04 | 100-04K | 200-04 |
| 25 hp 94-04 | 100-04K | 200-04 |
| 20 hp 94-07, 30 hp Jet 98-07 | 100-06K | 200-06 |
| 35 hp84-89 Cross Flow W/Boost Port High Dome piston not available, Can use Low Dome Piston 100-15 |
N/A | 200-15 |
| 40 hp 72-83 Cross Flow W/Boost Port High Dome piston not available, Can use Low Dome Piston 100-15 |
N/A | 200-15 |
| 40 hp 94-07 | 100-06K | 200-06 |
| 40 hp 90-97, 45 hp 86-89 (Inline 4) | 100-05K | 200-05 |
| 50 hp 84-90 Cross Flow W/Boost Port Low Dome | 100-15K | 200-15 |
| 50 hp 70-85 (Inline 4) | 100-05K | 200-05 |
| 50 hp 91-97 | 100-07K | 200-07 |
| 50 hp 98-Up, 60 hp 98-Up | 100-06K | 200-06 |
| 60 hp 84-90 Cross Flow W/Boost Port Low Dome | 100-15K | 200-15 |
| 60 hp 84-90, 65 hp 73-76 Cross Flow W/Boost Port High Dome not available Can Use Part No. 100-15 Low Dome | N/A | 200-15 |
| 60 hp 91-97 | 100-07K | 200-07 |
| 65 hp 73-76 Cross Flow W/Boost Port Low Dome | 100-15K | 200-15 |
| 70 hp 77-83 Cross Flow W/Boost Port Low Dome | 100-15K | 200-15 |
| 70 hp 87-89 Loop Charge with Boost Port bottom guided | 100-25K | 200-25 |
| 75 hp 84-86 Cross Flow W/Boost Port High Dome not available Can Use Part No. 100-15 Low Dome |
N/A | 200-15 |
| 75 hp 90-91 Loop Charge W/Boost Port | 100-25K | 200-25 |
| 75 hp 92-93 Loop Charge Top Guided | 100-35K | 200-25 |
| 75 hp 94-04 Inline 3 Loop Charge Top Guided | 100-40K | 200-20 |
| Mercury 1.5 Liter OptiMax | 100-27K | 200-27 |
| 80 hp 87-89 Loop Charge W/Boost Port | 100-25K | 200-25 |
| 80 hp 78-83 Cross Flow W/Boost Port High Dome not available Can Use Part No. 100-15 Low Dome |
N/A | 200-15 |
| 85 hp 73-77 Cross Flow W/Boost Port High Dome not available Can Use Part No. 100-15 Low Dome |
N/A | 200-15 |
| 90 hp 87-91 Loop Charge W/Boost Port | 100-25K | 200-25 |
| 90 hp 92-93 Loop Charge Top Guided | 100-35K | 200-25 |
| 90 hp 94-00 Inline 3 Loop Charge | 100-40K | 200-20 |
| 90 hp 1.5L OptiMax | 100-27K | 200-27 |
| 100 hp 89-91 Inline 4 Loop Charge W/Boost Port Bottom Guided | 100-25K | 200-25 |
| 100 hp 92-93 Inline 4 Loop Charge Top Guided | 100-35K | 200-25 |
| 100 hp 94-01 Inline 4 Loop Charge | 100-40K | 200-20 |
| 115 hp 92-93 Inline 4 Loop Charge Top Guided | 100-35K | 200-25 |
| 115 hp 94-04 Inline 4 Loop Charge | 100-40K | 200-20 |
| 115 hp 89-91 Inline 4 Loop Charge W/Boost Port Bottom Guided | 100-25K | 200-25 |
| 115 hp 70-83 Inline 6 Cross Flow High Dome Not Available Can Use Part No. 100-15 Low Dome |
N/A | 200-15 |
| 115 hp 84-88 Inline 6 Cross Flow Low Dome | 100-15K | 200-15 |
| 115 hp 1.5L Optimax | 100-27K | 200-27 |
| 115 hp 2.5L Optimax | 100-28PK | 200-28 |
| 125 hp 94-00 Inline 4 Loop Chagre | 100-40K | 200-20 |
| 135 hp 70-71 Inline 6 Cross Flow High Dome Not Available Can Use Part No. 100-15 Low Dome |
N/A | 200-15 |
| 135 hp 2.0 Liter 81-91 W/Boost Port Bottom Guided Used With Connecting Rod #636 |
100-50PK | 200-30 |
| 135 hp 2.0 Liter 92-00 W/Boost Port Top Guided Used With Connecting Rod #644 |
100-30PK | 200-30 |
| 135 hp 2.5L OptiMax OG590000-OG96499 Used With Connecting Rod #644 |
100-28PK | 200-28 |
| 140 hp 72 Inline 6 Cross Flow High Dome Not Available Use 100-15 Low Dome |
N/A | 200-15 |
| 140 hp 78-81 Inline 6 Cross Flow W/Boost Port Low Dome | 100-15K | 200-15 |
| 150 hp 73-78 Inline 6 Cross Flow W/Boost Port Low Dome | 100-15K | 200-15 |
| 150 hp 79-91 2.0 Liter W/Boost Port Bottom Guided Used With Connecting Rod #636 |
100-50PK | 200-30 |
| 2.0 Liter W/Boost Port Top Guided Used With Connecting Rod #644 |
100-30SK | 200-30 |
| 150 hp 2.5L Bottom Guided Used With Connecting Rod #636 |
100-19PK | 200-19 |
| 150 hp 2.5L XR-6 92-97 and EFI 93-99 Top Guided Used With Connecting Rod #644 |
100-20PK | 200-20 |
| 150 hp 2.5L OptiMax OG960500-OT178499 Top Guided Used With Connecting Rod #644 |
100-28PK | 200-28 |
| 175 hp 76-81 2.0 Liter Loop Charge W/Boost Port Bottom Guided Used With Connecting Rod #636 |
100-50PK | 200-30 |
| 175 hp 78-91 2.4 Liter Chrome Block | 100-10PCHK | 200-10CH |
| 175 hp 78-91 2.4 Liter Cast Iron Resleeve | 100-10PK | 200-10 |
| 175 hp 92-00 2.5 Liter, Off shore EFI XR1, XR2 Magnum Top Guided Used With Connecting Rod #644 | 100-20PK | 200-20 |
| Big Pin DFI 2.5 Liter OT178500-Up Used With Connecting Rod #600 | 100-49PK | 200-49 |
| 200 hp 78-90 2.4 Liter Chrome Block | 100-10PCHK | 200-10CH |
| 200 hp 78-90 2.4 Liter Cast Iron Resleeve Loop Charge W/Finger Ports | 100-10PK | 200-10 |
| 200 hp 2.5 Liter Bottom Guided Used With Connecting Rod #636 | 100-19PK X | 200-19 |
| 200 hp 92-00 2.5 Liter XR-1, EFI, Off shore Top Guided Used With Connecting Rod #644 |
100-20PK | 200-20 |
| 150-175 hp 2.5 Liter DFI OT178500-Up Used With Connecting Rod #600 | 100-49PK | 200-49 |
| WSM High Perfomance Piston Mercury 3.5" Top Guided 2.5 Liter With 1,5mm Rings for use with 644Rod |
100-21PK | 200-19 |
| 200 hp 3.0L OptiMax OT599000-Up Oval Pocket on Top of Piston | 100-47PK | 200-27 |
| 200 hp 3.0L OptiMax 2000-04 Round Pocket on TTop of Piston | 100-48PK | 200-48 |
| 225 hp 80-81 2.4 Liter Chrome Block | 100-10PCHK | 200-10CH |
| 225 hp 80-81 2.4 Liter Cast Iron Resleeve Loop Charge | 100-10PK | 200-10 |
| 225 hp 3.0L OptiMax 98-04 Round Pocket On Top of Piston | 100-48PK | 200-48 |
| 3.0 Liter 94-99 Carbureted and EFI | 100-45PK |
200-45 |
| 250 hp 3.0L OptiMax Oval Pocket On Top of Piston | 100-47PK | 200-27 |
| 250XB, 300X 3.0 Liter EFI OG980600 OT800999 | 100-45PK | 200-45 |
