The Hot Rods 4429 Stroker Crankshaft is a performance-focused, drop-in replacement for select Polaris 570 applications. Manufactured by Hot Rods and supplied under vendor part number 4429, this complete crankshaft assembly is designed to increase engine stroke, displacement, and horsepower while maintaining dependable operation. It is factory assembled and trued to OEM specifications, providing a ready-to-install alternative to a costly OEM crankshaft.
This Hot Rods crankshaft includes proven Hot Rods connecting rods, top-end bearings, and crankshaft webs. The assembly is CNC machined and dynamically balanced to accommodate the increased stroke, and it uses the stock piston in most applications. In many installations, no engine modification is required. The crankshaft can also be paired with Cylinder Works Big Bore cylinders for additional displacement and horsepower gains.
Feature: Increased stroke for greater engine displacement and horsepower.
Feature: Complete assembly includes connecting rods, top-end bearings, and crankshaft webs.
Feature: Factory assembled and trued to OEM specifications.
Feature: CNC machined and dynamically balanced for stroker applications.
Feature: Drop-in replacement design requiring no modification in most applications.
Feature: Fully rebuildable with genuine Hot Rods connecting rods and bearings.
Feature: Gear quality manufactured to DIN Class 9 or higher.
The Hot Rods 4429 fits select 2012–2016 Polaris RZR 570 models, including RZR 570 EPS applications from 2013 and 2016, as well as select 2014–2016 Polaris Ranger 570 models and the 2015–2016 Polaris Ranger 570 Fullsize. Verify the exact vehicle model, year, and engine configuration before installation to ensure proper fitment. This crankshaft is intended for performance rebuilding and replacement applications where increased displacement and durable internal engine components are desired.
Features:
- Increased stroke for greater engine displacement and horsepower
- Complete assembly with Hot Rods connecting rods, top-end bearings, and crankshaft webs
- Factory assembled and trued to OEM specifications
- CNC machined and dynamically balanced for the increased stroke
- Drop-in replacement requiring no modification in most applications
- Uses the stock piston in most applications
- Fully rebuildable with genuine Hot Rods connecting rods and bearings
- Gears manufactured to DIN Class 9 or higher
- Compatible with Cylinder Works Big Bore cylinders for additional displacement and horsepower gains
- Fits select Polaris RZR 570 and Ranger 570 applications from 2012 through 2016
Fitment:
2012 Polaris RZR 570
2013 Polaris RZR 570
2013 Polaris RZR 570 EPS
2014 Polaris Ranger 570
2014 Polaris Ranger Crew 570
2014 Polaris RZR 570
2014 Polaris Sportsman 570
2014 Polaris Sportsman 570 EPS
2014 Polaris Sportsman 570 Forest
2014 Polaris Sportsman 570 HD
2014 Polaris Sportsman Touring 570
2015 Polaris ACE 570
2015 Polaris Ace 570 HD
2015 Polaris Ranger 570
2015 Polaris Ranger 570 [Fullsize]
2015 Polaris Ranger Crew 570
2015 Polaris Ranger Crew 570 EPS [Fullsize]
2015 Polaris Ranger Crew 570 [Fullsize]
2015 Polaris RZR 570
2015 Polaris Sportsman 570
2015 Polaris Sportsman 570 EPS
2015 Polaris Sportsman 570 HD
2015 Polaris Sportsman 570 SP
2015 Polaris Sportsman Touring 570 EPS
2015 Polaris Sportsman Touring 570 SP
2015 Polaris Sportsman X2 570 EPS
2016 Polaris ACE 570
2016 Polaris Ace 570 HD
2016 Polaris Ranger 570
2016 Polaris Ranger 570 [Fullsize]
2016 Polaris Ranger Crew 570-4
2016 Polaris Ranger Crew 570-4 EPS
2016 Polaris Ranger Crew 570-6
2016 Polaris RZR 570
2016 Polaris RZR 570 EPS
2016 Polaris Sportsman 450 HO
2016 Polaris Sportsman 570
2016 Polaris Sportsman 570 EFI HD
2016 Polaris Sportsman 570 EPS
2016 Polaris Sportsman 570 SP
2016 Polaris Sportsman 570 Tractor
2016 Polaris Sportsman Touring 570 EPS
2016 Polaris Sportsman Touring 570 SP
2016 Polaris Sportsman X2 570 EPS
2017 Polaris ACE 570
2017 Polaris Ranger 570
2017 Polaris Ranger 570 EPS
2017 Polaris Ranger 570 [Fullsize]
2017 Polaris Ranger Crew 570-4
2017 Polaris Ranger Crew 570-4 EPS
2017 Polaris Ranger Crew 570-6
2017 Polaris RZR 570