C7798,4811M10200,4966M10200,5KM-11310-00-00,80-82600,80-82600,YF-11181-00-00,810852,191070043070,3YF-11351-00-00,3YF-11181-00-00,2C6-11603-00-00,93450-24028-00,3YF-11631-00-X0,3YF-11633-01-00,90201-102G9-00,90105-10649-00,90105-09648-00,C7798-EST,DPR-8EA90-00-00,3YF-11310-01-00,261528,261527,272149,M1016B,8507D200<

Unleash the beast within your Yamaha Raptor, Rhino, or Grizzly 660! This top-end rebuild kit packs a punch with a massive 102mm big bore cylinder and stroker piston combo that’ll have your ride ripping through the trails like never before.

102mm big bore cylinder with no case mods needed!

JE or CP-Carrillo 102mm stroker piston (Can Only Be Used With Hot Rods +4mm Stroker Crank)

Nitrite-coated rings and chrome wrist pin

Cylinder Head Stud Kit

Thicker, stronger timing chain

Complete top-end gasket set with MLS head gasket & Viton valve stem seals.

1-year warranty for peace of mind*

Unlock your 660’s full potential and take your off-road performance to the next level with this premium rebuild kit. Whether you’re conquering the dunes or taming the mountains, this kit will have your machine running harder, faster, and stronger.

– The Best Parts. The Best Performance. The Best Price. BRAPPPPPPPPPP!