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 Crankshaft Kit CBK0099 — Kawasaki KX250F / Suzuki RMZ250 2004-2006
Regular price $662.19 USDRegular price$741.95 USDSale price $662.19 USDSale -
Hot Rods Crankshaft Kit CBK0028 — Kawasaki KX250F 2006-2008
Regular price $662.19 USDRegular price$741.95 USDSale price $662.19 USDSale -
Hot Rods Crankshaft OEM Replacement - Bottom End Kit - CBK0127 - 2009 Kawasaki KX250F
Regular price $710.39 USDRegular price$795.95 USDSale price $710.39 USDSale -
Hot Rods Crankshaft Kit CBK0061 — Kawasaki KX250F 2011-2016
Regular price $746.09 USDRegular price$835.95 USDSale price $746.09 USDSale -
Hot Rods OEM Replacement Bottom End Kit - CBK0118 - 2007-2008 Kawasaki KX450F
Regular price $676.56 USDRegular price$736.95 USDSale price $676.56 USDSale -
Hot Rods Bottom End Kit CBK0171 — Kawasaki KX450F 2010-2015
Regular price $746.09 USDRegular price$835.95 USDSale price $746.09 USDSale -
Hot Rods Crankshaft Kit CBK0026 — Suzuki RM250 2006-2008
Regular price $639.88 USDRegular price$716.95 USDSale price $639.88 USDSale -
Hot Rods Crankshaft Kit CBK0099 — Kawasaki KX250F / Suzuki RM-Z250 2004-2006
Regular price $662.19 USDRegular price$741.95 USDSale price $662.19 USDSale -
Hot Rods Crankshaft Kit CBK0117 — Suzuki RM-Z250 2007-2009
Regular price $780.90 USDRegular price$874.95 USDSale price $780.90 USDSale -
Hot Rods Crankshaft Kit CBK0225 — Suzuki RM-Z250 2013-2015
Regular price $780.90 USDRegular price$874.95 USDSale price $780.90 USDSale -
Hot Rods Crankshaft Kit CBK0120 — Suzuki RM-Z450 2008-2012
Regular price $844.86 USDRegular price$919.95 USDSale price $844.86 USDSale -
Hot Rods Bottom End Kit - OEM Crankshaft Replacement - 1998-2020 Yamaha YZ125
Regular price From $427.51 USDRegular price$465.95 USDSale price From $427.51 USDSale -
Hot Rods Crankshaft Kit CBK0135 — Yamaha YZ250 / YZ250X 2003-2024
Regular price $506.56 USDRegular price$551.95 USDSale price $506.56 USDSale -
Hot Rods Bottom End Kit CBK0205 — Yamaha YZ250F 2014-2015
Regular price $639.88 USDRegular price$716.95 USDSale price $639.88 USDSale -
Hot Rods Crankshaft Kit CBK0088 — Yamaha YZ450F 2003-2005
Regular price $653.61 USDRegular price$711.95 USDSale price $653.61 USDSale -
Hot Rods Crankshaft Kit CBK0110 — Yamaha YZ450F 2006-2009
Regular price $653.61 USDRegular price$711.95 USDSale price $653.61 USDSale