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Speed ProPart #: 146M
Speed Pro 146M Engine Crankshaft Main Bearing Set
29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$176.66Free Shipping
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, Colony Park, Cougar, LTD, Marquis, Montego, and Mustang
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Engine Crankshaft Main Bearing Set options
Speed Pro 146M Engine Crankshaft Main Bearing Set
| Brand | Speed Pro |
|---|---|
| Part Number | 146M |
| Application | Competition series |
| Displacement | 351c |
| Engine Family | Cleveland/modified |
| Manufacture | Ford |
| Material | Super duty alloy |
| Part Material | Steel backed babbitt or bronze alloy |
| Set Type | Main set |
| Sizes | Std-1-1x-10-20 |
| Standard Size | Standard |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1974 | Ford | LTD | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1974 | Mercury | Colony Park | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1974 | Mercury | Cougar | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1974 | Mercury | Marquis | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1974 | Mercury | Montego | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1973 | Ford | LTD | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1973 | Ford | Mustang | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1973 | Mercury | Colony Park | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1973 | Mercury | Cougar | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1973 | Mercury | Marquis | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1973 | Mercury | Montego | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1972 | Ford | LTD | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1972 | Ford | Mustang | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1972 | Mercury | Colony Park | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1972 | Mercury | Cougar | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1972 | Mercury | Marquis | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1972 | Mercury | Montego | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1971 | Ford | LTD | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1971 | Ford | Mustang | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1971 | Mercury | Colony Park | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1971 | Mercury | Cougar | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1971 | Mercury | Marquis | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1971 | Mercury | Montego | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1970 | Ford | LTD | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1970 | Ford | Mustang | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1970 | Mercury | Colony Park | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1970 | Mercury | Cougar | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1970 | Mercury | Marquis | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
| 1970 | Mercury | Montego | 5.8L | V8 | N/A | Performance main bearing set with 3/4 grooves in standard size. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
MB5503XPMS1010H
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.