SKU: 168-4201 | UPC: 672036041892
ARP Cylinder Head Stud Kit for 2016-2018 Sea-Doo RXP-X 255 Rotax RXP-X255
ARP Cylinder Head Stud Kit 168-4201 replaces factory bolts on 2016-2018 Sea-Doo RXP-X 255 with Rotax 1630 ACE 255hp engine. These studs provide consistent clamping force under extreme boost and RPM for sealed combustion chambers. Professional engine builders select ARP for racing applications where failure is not an option.
Key Features
- ARP2000 Alloy: Heat-treated to 220,000 PSI tensile strength for handling high cylinder pressures in supercharged Rotax engines
- Post-Heat-Treat Thread Rolling: Increases fatigue strength by 2000% over pre-heat-treat threading ensuring long-term durability
- Centerless Ground: Ensures perfect concentricity so cylinder heads and gaskets align precisely without binding
- Undercut Design: Equalizes stretch across studs compensating for head gasket compression and preventing gasket blowouts
- Black Oxide Finish: Provides corrosion resistance in marine environments with USA-made quality
Product Notes
- Use ARP Ultra-Torque lubricant during installation for accurate torque readings
- Inspect head gasket surface flatness before assembly
- Ships in protective ARP packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Torque studs in sequence to 55 ft-lbs using calibrated torque wrench
- Compatible with OEM or aftermarket MLS head gaskets and Rotax 1630 cylinder heads
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | Sea-Doo | RXP-X 255 | RS |
Why Choose ARP?
- Chosen by top engine builders in all racing classes for proven reliability
- Exact tolerances from rack heat-treatment and precision grinding
- 2000% stronger fatigue life from advanced manufacturing process
Frequently Asked Questions
- Q: Does this kit fit other Sea-Doo models?
A: Designed specifically for 2016-2018 RXP-X 255 RS with Rotax 1630 ACE 255hp engine. Verify your engine code before purchase. - Q: What material and strength rating?
A: Forged ARP2000 alloy heat-treated to 220,000 PSI with black oxide finish for marine use. - Q: What is the warranty and return policy?
A: ARP offers limited lifetime warranty against manufacturing defects. Contact seller for returns within 30 days.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure ARP retail box 10x6x2 inches
- Weight: 1.8 lbs
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