This BRT cylinder-head stud kit supplies the studs, washers and nuts for listed Sea-Doo 1503 and 1630 four-stroke engine applications. Precision-machined, heat-treated 8740 alloy studs help position the cylinder head and gasket during assembly.
What is included
- 8 head studs with E10 drive heads.
- 8 washers.
- 8 twelve-point nuts.
Fitment and installation
- Confirm compatibility with your model, year and cylinder head before ordering.
- Use the installation sequence, lubricant and torque specifications confirmed for this hardware.
This is the head-stud kit only. The combined head-stud and rocker-arm kit is available separately.
For fitment help, send your model, year and part number to BRT on WhatsApp or Instagram. Shop pricing is available for repair shops and mobile marine mechanics.