Intake Exhaust Valve Spring Retainer for Sea-Doo RXP P X 300 1630 2018

Intake/Exhaust Valve Spring Retainer for Sea-Doo

This intake/exhaust valve spring retainer is a direct-fit valvetrain component for the Sea-Doo 1630 engine, holding the valve spring in place so the valve opens and closes correctly at high rpm.

Overview

This intake/exhaust valve spring retainer is made to secure valve springs on the Sea-Doo 1630 engine used in RXP, P, and X 300 models. It keeps spring tension stable so valves follow camshaft timing under load. This retainer suits riders rebuilding a top end or replacing worn valvetrain parts on their 2018 Sea-Doo.

Built For Performance

• Precision-machined for a secure fit on 1630 valvetrain assemblies
• Retains valve spring tension at high rpm
• Handles heat and load in a marine engine environment
• Direct replacement for the stock retainer position
• Suits both intake and exhaust valve locations

Fits These Machines

• for Sea-Doo RXP 300
• for Sea-Doo RXP P 300
• for Sea-Doo RXP X 300
• for Sea-Doo 1630 engine, 2018

On-The-Job Use

• Top-end rebuilds on 1630-powered Sea-Doo watercraft
• Valve spring replacement during head service
• Refreshing worn valvetrain parts after high-hour use
• Performance builds needing reliable spring retention

Specs At A Glance

Good To Know

Q: Is this retainer sold as a single unit or a set? A: This listing is for the valve spring retainer as described. Check the quantity and fit against your 1630 head before ordering.

Q: Can I reuse my original valve springs with this retainer? A: Yes, provided the springs are within spec, though replacing springs and retainers together is common during a rebuild.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.