| Brand | Engine Model | Crankshaft Size |
|---|
| ASP | .12-.15 2s | m5x.8 |
| ASP | .21 2s | m6x1 |
| ASP | .25-.53 2s | 1/4-28 |
| ASP | .61-.91 2s | 5/16-24 |
| ASP | 1.08-1.80 2s | 3/8-24 |
| COX | .020 2s | 3-48 |
| COX | .049-.051 2s | 5-40 |
| COX | .09 2s | 6-32 |
| COX | .10 2s | 2-56 |
| ENYA | .09-.11 2s | m5x.8 |
| ENYA | .15 2s | m6x1 |
| ENYA | .19-.21 2s | 1/4-28 |
| ENYA | .25S-.45s 2s | 1/4-28 |
| ENYA | .29-.60 2s | m7x1 |
| ENYA | .46-.90 4s | m7x1 |
| ENYA | 1.20 4s | m8x1 | |
| Evolution | .36-.52 2s | 1/4-28 |
| Evolution | .61-1.00 2s | 5/16-24 |
| Evolution | 26gx-152gx | m10x1 |
| FOX | .15 2s | 10-32 |
| FOX | .19-.50 2s | 1/4-28 |
| FOX | .60-.78 2s | 5/16-24 |
| HB | .12-.15 2s | m5x.8 |
| HB | .20-.61 2s | 1/4-28 |
| HP | .21-.61 2s | 1/4-28 |
| IRVINE | .20-.61 2s | 1/4-28 |
| K&B | .15 2s | 10-32 |
| K&B | .19-.65 2s | 1/4-28 |
| MAGNUM | .15-.61 2s | 1/4-28 |
| MAGNUM | .91-1.20 2s | 5/16-24 |
| MAGNUM | .30-.70 4s | 1/4-28 |
| MAGNUM | .61-1.80 4s | 5/16-24 |
| MERCO | .35-.60 | 1/4-28 |
| O.S. | .10FP, .10FP-S, .10LA, .15CVA, .15LA, .15LA-S | M5 |
| O.S. | .15FP, .15FP-S | 7/32-32 |
| O.S. | .20FP, .20FP-S, .25FP, .25FP-S, .25FX, .25LA,.25LA-S, .30 Wankle, .32SX, .35FP, .35FP-S, .40FP, .40FP-S, .40FX, .40LA, .40LA-S, .46LA, .46LA-S, .46AX, .46FX, .46VX-DX, .50SX, .55AX | 1/4-28 |
| O.S. | .60FP, .61FX, .65LA, .65VR-DF, .91FX, .91VR-DF (ALL), 1.20AX, 1.40RX, 1.40RX-FI | 5/16-24 |
| O.S. | 1.08FSR, 1.60FX, 1.60FX-FI, BGX-1 3500 | 3/8-24 |
| O.S. | FS-26, FS-30, FS-40, FS-52, FS-52 Heli, FL-70, FS-70 Ultimate-P | 1/4-28 |
| O.S. | FS-70, FS-70II, FS-91, FS-91II, FS-91II-FI, FS-91II-P, FS-120S-E, FS120S-III, FS120S-SP | 5/16-24 |
| O.S. | 32SX-H, 37SZ-H, 46FX-H, 50SX-H, 50SX-H Hyper, 61RX-HG WC, 61SX-HG WC | 1/4-28 |
| O.S. | 61LX-H, 61RX-H WC, 61SX-H WC, 70SZ-H, 91SX-H C-Spec, 91SX-H S-Spec-P, 91SZ-H, 91SZ-H PH-Hyper | 5/16-24 |
| O.S. | .18CV-R-M | M5 |
| O.S. | 10FP-M, 10FP-MX, 20FP-M, 21RZ-M, 21VZ-M, 32F-MX, 46VX-M | 1/4-28 |
| O.S. | 61VR-M, 65VR-M, 81VR-M | 5/16-24 |
| O.S. | 10FP-B, 10FP-BX, 12CV, 12CV-R, 12CV-RX, 12CV-X, 12TG, 12TR (ALL), 12TZ(s)-T3, 12TZ-T3, 15CV, 15CV-R, 15CV-RX, 15CV-X, 18CV-R, 18CV-RX, 18TZ-Turbo, 18TZ-TX | M5 |
| O.S. | 12TZ(p)-T3 Speed, 12TZ(p)-T3 ABC, 12TZ(p)-T5 ABC, 15RX, 21RG (ALL), 21RZ (ALL), 21VG (ALL), 21VZ (ALL), 18TZ, 30VG (ALL), FS-26S-C (all) | 1/4-28 |
| O.S. | 18TM | M7 |
| O.S. | FT-120II, FT-160, FF-320 | 5/16-24 |
| O.S. | IL-300 Dia-Star, FT-300, FR5-300 | 3/8-24 |
| Picco | .21-.45 | 1/4-28 |
| Picco | .60 | M8 |
| Rossi | 40HP, 45-3D, 45, 45VP, 46RAL, 53HP, 60HP, 61HP, 65HP | M8 |
| Royal | .21-.46 | 1/4-28 |
| Saito | .40-.60 | M6 |
| Saito | .45-.91 | M7 |
| Saito | 1.20-3.00 | M8 |
| Super Tigre | G34, GS40, GS45, G51 | 1/4-28 |
| Super Tigre | G61, G75, G90 | 5/16-24 |
| Super Tigre | G2300 | M8 |
| Super Tigre | G3250 | M10 |
| Thunder Tiger | GP-07 | M4 |
| Thunder Tiger | GP-10 | M5 |
| Thunder Tiger | GP-42, Pro-36, Pro-40, Pro-46, F-54s, RL-53H, Pro-39H, Pro-50H | 1/4-28 |
| Thunder Tiger | GP-61, Pro-61, Pro-91, Pro-120, F-75s, F-91s, Pro-70H, Pro-90H | 5/16-24 |
| Webra | .20-.61 | 1/4-28 |
| Webra | .80-.90 | M8 |
| YS | 45 | M8x1.25 |
| YS | 61ST-2, 63, 91, 1.20, 1.40 | M8x1.00 |
| Zenoah | G20, G26, G38 | M8 |
| Zenoah | G45, G62, GT-80 | M10 |