| Brand | Model | Alloy | Weight | Comment |
|---|---|---|---|---|
| Mazda | Original OEM A-Beam | 552 | ||
| Supertech | CR-MMX5-H133 | 4340 | 532 | |
| Maxpeedingrods | Forged H-Beam | 4340 EN24 | 518 | |
| K1 | Billet H-Beam 028CC14133 | 4340 | 490 | |
| Pauter | X-Beam | 4340 | 495 | |
| Carrillo | PRO-A CAR-1364 MA-323-1<A-55234H | AISI 4330M | 416 | I have Carillo A beams in my motor, running 18-20 psi and 350-ish rwhp. 7500 RPM redline. That's about the advertised limit for them. –Ian We recommend these up 8200rpm with stock crank up to 300whp (supermiata) |
| Carrillo | PRO-SA CAR-1366 MA-323<SA-55234H | 431 | ||
| Carrillo | PRO-H MA-323>-55234S | 440 (455) | ||
| Carrillo | PRO-A (stroker) MA-323-1<A-55470H | 427 | ||
| Manley | H-Beam | 534 (538) | ||
| Wössner | PL007 | 40 CrNiMoA | 393 | |
| Eagle | 535 | |||
| Crower | B93791-4 MAZDA MIATA | 529 | ||
| Maruha | Stroker (22mm Pin) | 460 | ||
| M-Tuned | CRS-5230 | 4130 / 5230 | 470 |