Complete Engines & Rebuild Kits

Prox Gasket Kit - Complete - Yamaha 34.2434 Yamaha -- YFZ 450 4x2 -- (2010, 2007, 2005, 2009, 2006, 2008, 2004, 2011, 2013, 2012)

Prox Gasket Kit - Complete - Yamaha 34.2420 Yamaha -- YZ 426 F -- (2001, 2002, 2000); Yamaha -- WR 426 F -- (2002, 2001)

Prox Gasket Kit - Complete - Yamaha 34.2418 Yamaha -- WR 400 F -- (1998, 1999); Yamaha -- YZ 400 F -- (1999, 1998)

Prox Gasket Kit - Complete - Yamaha 34.2401 Yamaha -- YZ 250 F -- (2002, 2004, 2011, 2010, 2006, 2009, 2013, 2001, 2003, 2005, 2007, 2008, 2012); Yamaha -- WR 250 F -- (2001, 2002)

• Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively - KTM 300 SX (2023, 2024, 2025); Gas Gas EX 300 (2024, 2025); Gas Gas MC 300 (2025); Gas Gas EC 300 (2024, 2025);...

Prox Gasket Kit - Complete - Suzuki 34.3323 Suzuki -- RM 250 -- (2003, 2005, 2004)

• Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively - Gas Gas EX 250 (2024, 2025); Gas Gas EC 250 (2025, 2024); Gas Gas MC 250 (2024, 2025); KTM 250 SX (2023, 2025, 2024);...

• Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively - KTM 250 SX (2020, 2019); Husqvarna TC 250 (2020, 2019)

Prox Gasket Kit - Complete - Suzuki/Kawasaki 34.3420 Suzuki -- DR-Z 400 -- (2001, 2004, 2012, 2015, 2003, 2009, 2013, 2000, 2008, 2010, 2014, 2002, 2016, 2006, 2011, 2007, 2005); Suzuki -- DR-Z 400 S -- (2005, 2006, 2017, 2019, 2021, 2001, 2003, 2014,...

Prox Gasket Kit With Oil Seals - Ski Doo 800 Etec 34.5818 Ski-Doo -- Freeride 800R E-TEC w/137" Track -- (2014, 2012, 2011, 2013, 2015); Ski-Doo -- Freeride 800R E-TEC w/154" Track -- (2015, 2013, 2012, 2014, 2011); Ski-Doo -- MX-Z 800R TNT E-TEC w/120"...

• Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively - Gas Gas MC 250 (2022, 2023); KTM 250 SX (2022, 2021); Husqvarna TC 250 (2021, 2022)

• Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively -