Titanium Nose Pistons
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StopTech Racing’s Titanium piston nose assemblies are designed for the punishing world of motorsport. The patented design provides a carefully engineered thermal barrier for optimal brake system performance, keeping excess heat from radiating through the backing plates. The tops of the titanium noses are castellated, reducing their contact area, and simultaneously reducing conduction while allowing better airflow for reduced heat convection as well. The patented design of the StopTech Titanium piston nose assemblies uses an aluminum piston body that matches the expansion rate of the aluminum calipers, and a mushrooming low-profile titanium nose that maximizes coverage as well as useable pad thickness. These precision-machined StopTech titanium piston nose assemblies work with existing StopTech calipers that utilize dust boot grooves, providing maximum thermal protection that surpasses that of flexible stamped shims used in other competitive systems. |
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Titanium Nose Piston Assemblies for StopTech ST-60 and Porsche GT3 Caliper |
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Part Number | Dimensions | Fits in Caliper | |
| 41.526.1513 | 26mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.528.1513 | 28mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.530.1513 | 30mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.532.1513 | 32mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.534.1513 | 34mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.536.1513 | 36mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.538.1513 | 38mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.540.1513 | 40mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.542.1513 | 42mm dia x 31mm ht | ST60, Porsche GT3 | |
| 41.544.1513 | 44mm dia x 31mm ht | ST60, Porsche GT3 | |
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Part Number | Dimensions | Fits in Caliper | |
| 41.526.1512 | 26mm dia x 40mm ht | STR40GT | |
| 41.528.1512 | 28mm dia x 40mm ht | STR40GT | |
| 41.530.1512 | 30mm dia x 40mm ht | STR40GT | |
| 41.532.1512 | 32mm dia x 40mm ht | STR40GT | |
| 41.534.1512 | 34mm dia x 40mm ht | STR40GT | |
| 41.536.1512 | 36mm dia x 40mm ht | STR40GT | |
| 41.538.1512 | 38mm dia x 40mm ht | STR40GT | |
| 41.540.1512 | 40mm dia x 40mm ht | STR40GT | |
| 41.542.1512 | 42mm dia x 40mm ht | STR40GT | |
| 41.544.1512 | 44mm dia x 40mm ht | STR40GT | |
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Part Number | Dimensions | Fits in Caliper | |
| 41.526.1511 | 26mm dia x 33.5mm ht | ST40 | |
| 41.528.1511 | 28mm dia x 33.5mm ht | ST40 | |
| 41.530.1511 | 30mm dia x 33.5mm ht | ST40 | |
| 41.532.1511 | 32mm dia x 33.5mm ht | ST40 | |
| 41.534.1511 | 34mm dia x 33.5mm ht | ST40 | |
| 41.536.1511 | 36mm dia x 33.5mm ht | ST40 | |
| 41.538.1511 | 38mm dia x 33.5mm ht | ST40 | |
| 41.540.1511 | 40mm dia x 33.5mm ht | ST40 | |
| 41.542.1511 | 42mm dia x 33.5mm ht | ST40 | |
| 41.544.1511 | 44mm dia x 33.5mm ht | ST40 | |