Piston Kit6037751 External Engine 8 sizes of compression springs

8 sizes of compression springs and 12 sizes of extension springs

Works with LEDs or incandescent bulbs

2008 Yamaha YZ450F | 2013 Yamaha WR450F | 2011 Yamaha WR450F | 2009 Yamaha YZ450F | 2015 Yamaha WR450F | 2008 Yamaha WR450F | 2007 Yamaha YZ450F | 2014 Yamaha WR450F | 2012 Yamaha WR450F | 2010 Yamaha WR450F | 2009 Yamaha WR450F | 2007 Yamaha WR450F

Freestyle 550F Session : 2006-2007-2008

0" E-TEC w/165" Track | 2007 Yamaha RST90GT RS Venture GT | 2007 Yamaha RXW10 Attak | 2006 Ski-Doo GTX 380F | 2006 Yamaha RS90M RS Vector Mountain | 2006 Yamaha RX10R Apex ER | 2022 Ski-Doo Backcountry Sport 600 EFI | 2016 Polaris 800 SwitchBack Adventure | 2021 Ski-Doo Backcountry X-RS E-TEC 850 154 | 2021 Ski-Doo MX Z TNT E-TEC 850 | 2021 Ski-Doo Summit X with Expert Package E-TEC 850 175 | 2021 Ski-Doo Summit X with Expert Package E-TEC 850 Turbo 165 | 2015 Yamaha PZ50 Venture MP | 2015 Yamaha PZ50RTX Phazer RTX | 2015 Yamaha RS90 RS Vector | 2003 Ski-Doo Grand Touring 800 SE | 2003 Ski-Doo Legend 700 SE | 2003 Yamaha MM700 Mountain Max 700 | 2003 Yamaha RX10RS RX-1 ER LE | 2014 Polaris 800 SwitchBack PRO-R LE | 2002 Ski-Doo MX Z 800 Sport | 2002 Yamaha SXV700ER SX Viper ER | 2001 Ski-Doo MX Z 700 X | 2001 Yamaha MM700 Mountain Max 700 | 2001 Yamaha SX500/R | 2013 Yamaha FX10M FX Nytro MTX 153 | 2013 Yamaha PZ50MT Phazer MTX | 2012 Ski-Doo Freeride E-TEC 800R 137 | 2012 Ski-Doo MX Z TNT E-TEC 800R | 2012 Ski-Doo Renegade X E-TEC 800R | 1991 Ski-Doo Safari LX | 1990 Ski-Doo Formula Plus LT | 1990 Ski-Doo Safari LE | 2001 Yamaha VX500DX VMAX 500 Deluxe | 2000 Ski-Doo Summit 600 | 2000 Yamaha SX600/R | 2000 Yamaha VT600 Venture 600 | 1999 Ski-Doo Formula Deluxe 500 LC | 1999 Ski-Doo Summit 500 | 1999 Yamaha VX500SX VMAX 500 SX | 1999 Yamaha VX700DX VMAX 700 Deluxe | 1998 Ski-Doo Summit 583 | 1998 Ski-Doo Touring LE | 1998 Yamaha MM700 Mountain Max 700 | 2021 Ski-Doo Renegade Sport 600 EFI | 2020 Ski-Doo Freeride E-TEC 850 146 | 2019 Ski-Doo Expedition SE 4-TEC 1200 | 2019 Ski-Doo MX Z X E-TEC 600R | 2019 Ski-Doo Renegade Adrenaline ACE 900 | 2019 Ski-Doo Renegade Enduro E-TEC 850 | 2010 Ski-Doo MX Z 800 R X | 2010 Yamaha PZ50GT Phazer GT | 2010 Yamaha RST90GT RS Venture GT | 2009 Ski-Doo MX Z 600 50th Anniversary | 2009 Yamaha RS90LT RS Vector LTX | 2008 Yamaha FX10 FX Nytro | 1996 Ski-Doo Summit 583 | 1995 Ski-Doo Grand Touring 580 | 1995 Ski-Doo Skandic 380 | 1994 Ski-Doo Safari L | 1994 Ski-Doo Safari Rally E | 1994 Ski-Doo Summit 470 | 2018 Polaris 600 SwitchBack PRO-S | 2018 Ski-Doo Grand Touring LE 4-TEC 1200 | 1993 Ski-Doo Skandic II 503R | 1992 Ski-Doo Formula Plus E | 1992 Ski-Doo Skandic II R | 2007 Ski-Doo Summit 800R X-RS P-TEK w/151" Track | 1985 Ski-Doo Formula Plus | 2009 Ski-Doo MX-ZX 800R Renegade P-TEK w/137" Track | 2006 Ski-Doo MX-Z 800 H

Piston Kit6037751 External Engine 8 sizes of compression springsCaracteristicas: Forged piston crown with generous valve pockets for big valves and cams Precision fit rings selected for each application for ultimate sealing Force fed pin oiling provides enhanced lubrication of the piston pin Pressure seal groove reduces ring lifting and power loss ArmorGlide skirt coating reduces friction, providing quieter operation and improving scuff resistance Valued packaged with two pistons, rings, piston pins and circlips