Collection: Hot Rods Bottom End Kits Are a Game-Changer for Your Bike!
When your dirt bike or ATV needs a serious refresh, Hot Rods Bottom End Kits are the go-to choice for riders who demand performance and reliability. Whether you’re rebuilding a 50cc pit bike or a fire-breathing 450cc machine, Hot Rods has you covered with complete kits for Honda, Yamaha, Suzuki, Kawasaki, KTM, Gas Gas, and Husqvarna. No more endless searching for the right crankshaft, main bearings, or seals—everything you need is in one convenient package. These kits make engine overhauls faster, easier, and way less frustrating, so you can spend more time riding and less time wrenching.
Built tougher than many OEM parts, Hot Rods components are engineered for durability, power, and smooth operation. Even better, stroker crankshaft options let you squeeze out more horsepower if you're looking to add some extra punch. Designed for both pro mechanics and weekend warriors, these kits simplify the rebuild process without cutting corners on quality. If you want a stronger, more reliable engine that’s ready to rip, Hot Rods Bottom End Kits are your ticket back to the track or trails—stronger, faster, and built to last!
"When you’re done reading, check out all the kits below—I bet there’s one for your dirt bike!" 🏁🔧
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Hot Rods - CBK0095 - Crankshaft Kit – OEM Replacement - Suzuki DR-Z400, DR-Z400SM & Kawasaki KLX400R
Regular price $743.71 USDRegular priceUnit price / per$809.95 USDSale price $743.71 USDSale -
Hot Rods - CBK0167 – Bottom End Kit OEM Replacement Crankshaft - 2007-2009 KTM 250 XCF-W
Regular price $927.95 USDRegular priceUnit price / per$927.95 USDSale price $927.95 USD -
Hot Rods - CBK0071 – Bottom End Kit OEM Replacement Crankshaft - 2005-2010 KTM 250 SX-F
Regular price $927.95 USDRegular priceUnit price / per$927.95 USDSale price $927.95 USD -
HOT RODS - HR00178 - Bottom End Kit - OEM Crankshaft Kit - 2017-2021 Husqvarna | KTM 250/300
Regular price $679.95 USDRegular priceUnit price / per$679.95 USDSale price $679.95 USD -
HOT RODS - CBK0172 - Bottom End Kit - OEM Crankshaft Replacement - 2003-2009 Yamaha WR250F
Regular price $630.66 USDRegular priceUnit price / per$686.95 USDSale price $630.66 USDSale -
HOT RODS Bottom End Kit - OEM Crankshaft Replacement - HR00110 - 2016-2017 Polaris RZR 4 XP 1000, and General 4 1000
Regular price $1,353.16 USDRegular priceUnit price / per$1,473.95 USDSale price $1,353.16 USDSale -
Hot Rods Bottom End Kit - OEM Crankshaft Replacement - HR00106 - Polaris RZR 4 XP 1000, General 1000
Regular price $1,591.95 USDRegular priceUnit price / per$1,591.95 USDSale price $1,591.95 USD -
Hot Rods Bottom End Kit - OEM Crankshaft Replacement - CBK0194 - 2006-2007 Honda CRF250R
Regular price $506.56 USDRegular priceUnit price / per$551.95 USDSale price $506.56 USDSale -
Hot Rods - Bottom End Kit - OE Crankshaft Replacement - CBK0202 - 2006-2008 KTM 50 SX, 50 SX Pro Junior, and 50 SX Pro Senior
Regular price $531.95 USDRegular priceUnit price / per$531.95 USDSale price $531.95 USD -
Hot Rods Complete Bottom End Kit - CBK0231 - 2016-2018 Yamaha YZ250F
Regular price $653.61 USDRegular priceUnit price / per$768.95 USDSale price $653.61 USDSale -
Wiseco Bottom End Kit - WPC137 - 05-07 Yamaha YFM350R Raptor 350, 87-04 YFM350X Warrior
Regular price $500.91 USDRegular priceUnit price / per$555.95 USDSale price $500.91 USDSale -
Wiseco OEM Replacement Bottom End Kit - WPC133 - 2001-2005 Yamaha Raptor 660R YFM660R
Regular price $600.92 USDRegular priceUnit price / per$639.95 USDSale price $600.92 USDSale -
Wiseco Bottom End Kit - WPC131A - 2001-2004 Honda TRX400EX Sportrax
Regular price $560.38 USDRegular priceUnit price / per$621.95 USDSale price $560.38 USDSale -
Wiseco OEM Replacement Bottom End Kit - WPC105 - 1988-2006 Yamaha Blaster YFS200
Regular price $390.09 USDRegular priceUnit price / per$414.95 USDSale price $390.09 USDSale -
Hot Rods Complete Bottom End Kit - CBK0016 - 2006-2014 Honda TRX400EX, TRX400X
Regular price $609.41 USDRegular priceUnit price / per$663.95 USDSale price $609.41 USDSale -
Hot Rods Bottom End Kit - OEM Crankshaft Replacement - HR00105 - 2017-2018 Honda CRF450R / CRF450RX
Regular price $563.51 USDRegular priceUnit price / per$613.95 USDSale price $563.51 USDSale