T-H Marine & CMC Machined Transom Support Plates
Constructed from durable aluminum, these transom support/wash plates are designed to enhance performance by evenly distributing loads and preventing bolts from "biting" into transoms.
- Made from aluminum for enhanced durability.
- Prevents bolt "biting" into transoms, ensuring a secure fit.
- Helps evenly distribute loads on high-performance engines for improved stability.
Warnings
⚠️ WARNING: Cancer and Reproductive Harm www.P65warnings.ca.gov
Features
- Aluminum construction
- Eliminates bolts "biting" into transoms
- Evenly distribute loads on high performance engines
These Transom Support / Washer Plates are made of aluminum to withstand the elements. The CMC transom washer helps eliminate bolts "biting" into transoms and can more evenly distribute loads on high performance engines.
Read CMC Marine's Warranty Policy Here
| OEM/Bulk | Product Name | Material | Distributor Packaged |
|---|---|---|---|
| TSP-1 | Top Bolt Holes- Standard | Cast aluminum
|
TSP-1-DP |
| TSP-2 | Lower Bolt Holes- Standard | Cast aluminum
|
TSP-2-DP |
| TSP-7 | For Yamaha and Verado- 4 bolt holes | Cast aluminum
|
|
| 20022 | CMC, Top Transom Washer Plate / Transom Support Plate | 3/8" 6061 T6 alloy aluminum
|
|
| 20032 | CMC, BOTTOM Transom Washer Plate / Transom Support Plate | 3/8" 6061 T6 alloy aluminum
|
|
Specs

| SKU | Dimension A | Dimension B | Dimension C |
|---|---|---|---|
| TSP-1 | 15" | 2" | 13" |
| TSP-2 | 12" | 2" | 10" |
| TSP-7 | 15-1/4" | 3-3/4" | 12-3/8" |
| 20022 | 14-7/8" | 2" | 12-7/8" |
| 20032 | 12" | 1-7/8" | 10" |




