New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine - Crankcase Components - Crankshaft Assemblies

510 products
Powersport Superstore is your go-to source for Engine - Crankcase Components - Crankshaft Assemblies and related parts. Shop our unbeatable selection of Crankshaft Assemblies with top-tier service, fast shipping, and great prices.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
15% Off
Hot Rods CBK0159 Stroker Bottom End Kit (+3mm, 470cc)
$657.85
$657.85
$773.95
Uses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; i...
21% Off
Hot Rods CBK0165 Stroker Bottom End Kit (+4mm, 424cc)
$771.76
$771.76
$980.95
Uses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; i...
10% Off
Hot Rods CBK0160 Stroker Bottom End Kit (+3mm, 471cc)
$766.76
$766.76
$851.95
Uses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; i...
21% Off
Hot Rods CBK0178 Bottom End Kit
$1,005.50
$1,005.50
$1,277.95
Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Hot Rods main bearings and seals kit (Main seals included when applicable). Complete engine gasket set inclu...
15% Off
Hot Rods CBK0143 Stroker Bottom End Kit (+4mm, 108cc)
$334.01
$334.01
$392.95
Must machine cylinder head.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on appli...
5% Off
Hot Rods 4402 Crankshaft Assembly
$664.00
$664.00
$698.95
All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. ...
21% Off
Hot Rods CBK0135 Bottom End Kit
$469.16
$469.16
$595.95
Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Hot Rods main bearings and seals kit (Main seals included when applicable). Complete engine gasket set inclu...
12% Off
Hot Rods 4409 Crankshaft Assembly
$501.55
$501.55
$569.95
All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. ...
15% Off
Hot Rods CBK0141 Bottom End Kit
$688.46
$688.46
$809.95
Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Hot Rods main bearings and seals kit (Main seals included when applicable). Complete engine gasket set inclu...
12% Off
Hot Rods 4410 Crankshaft Assembly
$607.00
$607.00
$689.95
All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. ...
5% Off
Hot Rods 4415 Crankshaft Assembly
$384.71
$384.71
$404.95
All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. ...
21% Off
Hot Rods CBK0139 Stroker Bottom End Kit (+3mm, 264cc)
$605.16
$605.16
$768.95
Uses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; i...
12% Off
Hot Rods 4411 Crankshaft Assembly
$317.26
$317.26
$360.95
All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. ...
12% Off
Hot Rods 4406 Crankshaft Assembly
$442.66
$442.66
$502.95
All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. ...
15% Off
Hot Rods CBK0144 Stroker Bottom End Kit (+3mm, 470cc)
$688.46
$688.46
$809.95
Uses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; i...
21% Off
Hot Rods CBK0138 Stroker Bottom End Kit (+3mm, 470cc)
$605.16
$605.16
$768.95
Uses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; i...
15% Off
Hot Rods CBK0142 Stroker Bottom End Kit (+2mm, 88.3cc)
$334.01
$334.01
$392.95
Must machine cylinder head.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on appli...
15% Off
Hot Rods CBK0137 Stroker Bottom End Kit (+4mm, 719cc)
$751.35
$751.35
$883.95
Must use Vertex Stroker piston 23624A.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed dependi...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle