Parts & Rebuild Kits
Muncie Rebuild Kit Comparison
Table-driven comparison of common parts sources for Muncie rebuilds. Verify exact fitment and contents for your M20, M21, or M22 before purchase.
| Brand | Price | Includes Synchros | Bearings Included | Rating | Affiliate Link |
|---|---|---|---|---|---|
| Summit Racing Broad inventory; verify fitment for M20/M21/M22 before checkout. |
$349 - $699 | Yes | Yes | 4.6/5 | Shop Summit Racing |
| JEGS Good for quick price checks and promo-driven purchases. |
$329 - $649 | Yes | Yes | 4.4/5 | Shop JEGS |
| eBay Best for discontinued parts; inspect seller feedback and photos closely. |
$199 - $899 | Varies | Varies | Varies | Shop eBay |
| RockAuto Strong price/value for seals, bearings, and supporting service parts. |
$89 - $499 | Some kits | Some kits | 4.3/5 | Shop RockAuto |
Affiliate disclosure: some links may earn a commission at no added cost to you. Always confirm kit contents and compatibility before ordering.