SPI SM-09539T-1 Top End Gasket Set

SPI top end gasket sets contain high performance reed and base gaskets plus intake exhaust gaskets for a complete cylinder rebuild.

OEM#
5814504  Cylinder Base Gasket
5814505  Exhaust Manifold Gasket
5416132  Base Seal x2
15411044  O-ring x2
5417079  O-rings x2

The SPI SM-09539T-1 Top End Gasket Set provides replacement sealing components for the upper engine assembly. Designed for service and rebuild applications, this gasket set helps support reliable sealing between mating engine surfaces and can assist in restoring proper performance when original gaskets are worn, damaged, or removed during maintenance.
The set is supplied as a complete service package for the top end, helping simplify gasket replacement and reduce the need to source individual sealing components separately. Its application-focused design makes it suitable for technicians, repair shops, and powersports owners performing engine service with compatible equipment. Always compare the original parts and application requirements before installation to confirm fitment.
SPI manufactures replacement components for a range of mechanical and powersports repair needs. The SM-09539T-1 gasket set is intended for installation by a qualified technician using the manufacturer’s recommended procedures, torque specifications, and surface preparation practices. Replace related seals or fasteners as needed, and inspect mating surfaces for damage or distortion before assembly. This product is sold as a set and does not include additional engine components unless specifically listed.

Features:

• Brand: SPI

• Part Number: SM-09539T-1

• Product Type: Top end gasket set

• Application: Replacement engine sealing components for compatible top-end service

• Package Quantity: One set

• Installation: Professional installation and application verification recommended