Engines & Components
Availability
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Counterweight, Harmonic Balancer, Bolt-On, 28 oz. External Balance, Ford, Small Block, Each
Part Number: PFS-91006
Estimated Ship Date: Tuesday 5/27/2025
Estimated Ship Date: Tuesday 5/27/2025
Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0651
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2025 if ordered today
Estimated Ship Date: Jun 9, 2025 if ordered today
ENGINE PERFORMANCE, 17-18 M8 MODELS, BIG BORE CYLINDER SET BLK
Part Number: SSY-910-0683
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2025 if ordered today
Estimated Ship Date: Jun 17, 2025 if ordered today
S&S Cycle 2017 M8 Models 4.250in Bore Hardware Kit
Part Number: SSY-910-0677
Not Yet Reviewed
Estimated Ship Date: Jun 13, 2025 if ordered today
Estimated Ship Date: Jun 13, 2025 if ordered today
ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), 4" CYLINDER KIT BLK
Part Number: SSY-910-0646
Not Yet Reviewed
Estimated Ship Date: Jun 13, 2025 if ordered today
Estimated Ship Date: Jun 13, 2025 if ordered today
ENGINE PERFORMANCE, 17-18 M8 MODELS, BIG BORE CYLINDER SET BLK
Part Number: SSY-910-0682
Not Yet Reviewed
Estimated Ship Date: May 27, 2025 if ordered today
Estimated Ship Date: May 27, 2025 if ordered today
S&S Cycle 86-21 Sportster Models 1250cc 3 9/16in Bore Cylinder Set - Silver
Part Number: SSY-910-0693
Not Yet Reviewed
Estimated Ship Date: May 28, 2025 if ordered today
Estimated Ship Date: May 28, 2025 if ordered today
S&S Cycle 86-19 Sportster Models 3-1/2in Bore Cylinder Set - Wrinkle Black
Part Number: SSY-910-0695
Not Yet Reviewed
Estimated Ship Date: May 28, 2025 if ordered today
Estimated Ship Date: May 28, 2025 if ordered today
S&S Cycle 86-21 Sportster Models 1250cc 3 9/16in Bore Cylinder Set - Wrinkle Black
Part Number: SSY-910-0697
Not Yet Reviewed
Estimated Ship Date: May 28, 2025 if ordered today
Estimated Ship Date: May 28, 2025 if ordered today
S&S Cycle 86-19 Sportstet Models 3-1/2in Bore Cylinders - Silver
Part Number: SSY-910-0698
Not Yet Reviewed
Estimated Ship Date: May 28, 2025 if ordered today
Estimated Ship Date: May 28, 2025 if ordered today
Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish, 4.250 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0681
Not Yet Reviewed
Estimated Ship Date: May 27, 2025 if ordered today
Estimated Ship Date: May 27, 2025 if ordered today
S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black
Part Number: SSY-910-0687
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Silver
Part Number: SSY-910-0689
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
S&S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Silver
Part Number: SSY-910-0690
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Wrinkle Black
Part Number: SSY-910-0691
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
S&S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Wrinkle Black
Part Number: SSY-910-0692
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
S&S Cycle 86-03 Sportster Models 1200cc Cylinder and Piston Kit - Wrinkle Black
Part Number: SSY-910-0696
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Wrinkle Black
Part Number: SSY-910-0699
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), 4" CYLINDER KIT SIL
Part Number: SSY-910-0642
Not Yet Reviewed
Estimated Ship Date: May 27, 2025 if ordered today
Estimated Ship Date: May 27, 2025 if ordered today
ENGINE CYLINDERS, 07-UP TWINCAM (INC 06 DYNA), 4" CYLINDER KIT SIL
Part Number: SSY-910-0650
Not Yet Reviewed
Estimated Ship Date: May 27, 2025 if ordered today
Estimated Ship Date: May 27, 2025 if ordered today
ENGINE PERFORMANCE, M8 MODELS W/114", 128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0684
Not Yet Reviewed
Estimated Ship Date: May 27, 2025 if ordered today
Estimated Ship Date: May 27, 2025 if ordered today
Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish with Highlighted Fins, 4.250 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0625
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2025 if ordered today
Estimated Ship Date: Jun 2, 2025 if ordered today
ENGINE PERFORMANCE, M8 MODELS W/114", 128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0685
Not Yet Reviewed
Estimated Ship Date: May 28, 2025 if ordered today
Estimated Ship Date: May 28, 2025 if ordered today
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