SBT Cylinder Head with Cams, Replaces 420413259 / 420413309, Sea-Doo GTX GTR Wake Pro Explorer 230 (2020-2025)

This is a new SBT cylinder head with camshafts for Sea-Doo 230 jet skis, a replacement for OEM 420413259 and 420413309. It fits the GTX 230, GTR 230, Wake Pro 230 and Explorer 230, and the application list also covers a range of 2025 models. Replace it when the head is cracked, warped or has damaged valve seats, and no core return is required.

Fits

• Sea-Doo GTX 230 (2020-2025)
• Sea-Doo GTR 230 (2020-2025)
• Sea-Doo Wake Pro 230 (2020-2025)
• Sea-Doo Explorer 230 (2024-2025)
• Sea-Doo Explorer 170 (2025)
• Sea-Doo GTX 130 / GTX 170 / GTX 300 / GTX LTD 325 (2025)
• Sea-Doo GTI 130 / GTI SE 130 / GTI SE 170 (2025)
• Sea-Doo GTR X 300 (2025)
• Sea-Doo RXP-X 325 / RXT-X 325 (2025)
• Sea-Doo Fish Pro APEX 300 / Scout 130 / Sport 170 / Trophy 170 (2025)
• Sea-Doo Wake Pro (2025)

What's included

• Camshafts
• Cam guide
• Head gasket and valve cover gasket
• Intake and exhaust valves
• Valve springs
• Valve stem seals
• Valve cotters

Replaces OEM part numbers

420413259 · 420413309

Not sure it fits your ski? Call or text 954-914-6465 with your hull ID (HIN) and we'll confirm before you order.