Engine

Features & Benefits:- * Upgrades Milwaukee-Eight 114ci & non-CVO 117ci to 132ci * 4.320" Bore. * 4.500" Stroke (4-1/2"). * Forged Pistons....

Features & Benefits:- * Upgrades Milwaukee-Eight 114ci to 128ci * 114ci to 128ci Big Bore Kit * 4.250" Bore * 4.500" Stroke (4-1/2") * Forged ...

Features & Benefits:- * Upgrades Milwaukee-Eight 107ci to 129ci. * 4.320" Bore. * 4.375" Stroke (4-3/8"). * Forged Pistons. * 11.1 Compression ...

Features & Benefits:- * Upgrades Milwaukee-Eight 107ci to 129ci. * 4.320" Bore. * 4.375" Stroke (4-3/8"). * Forged Pistons. * 11.1 Compression...

* Steel 1.0mm Top Ring, 4.250 bore * Sold per cylinder/piston * Middle Ring = 2-MS28-4250-THG * Bottom Ring = 3-D30-4250-0

* 3.0mm .150 Radial Wall Low Tension Flex Vent Oil Ring, 4.250 bore * Sold per cylinder/piston * Top Ring = 1-MS18-4250 * Middle Ring = 2-MS28-4250...

* CAR-927-2250-18CP1C * ID # 4132 * Wristpin .927" dia x 2.250" length .180" Wall 5100 Chromoly Chamfered For Wire Lock * Sold per cylinder/piston

KPMI Cylinder Studs are made from 180,000 psi yield strength, fine grain, heat treated, aircraft grade alloy steel. When you want a stud that meets...

Spiral Retaining Ring Installation Tips: 1. The spiral retainer comes unsprung. KB suggests that you slightly spring the retainer about 1/2"-3/4" b...

Features & Benefits:- * Use with performance exhaust, air cleaner, S&S 585 bolt-in cams & EFI tune to produce massive horsepower gains....

Features & Benefits:- * Use with performance exhaust, air cleaner, S&S 585 bolt-in cams & EFI tune to produce massive horsepower gains....

Features & Benefits:- * Bore = 4.000" * Stroke = 4.375" * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then full...

Features & Benefits:- * Bore = 4.010" * Stroke = 4.375" * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then full...

Features & Benefits:- * Sold per Piston. * Replacement Piston Rings for S&S 110ci Big Bore Kits #'s SS910-0598 & SS910-0599. Tech Tips:...

Features & Benefits:- * Replacement Piston Rings for S&S Milwaukee-Eight 107ci to 129ci & 114ci to 132ci Big Bore Kits (4.320" Bore) Te...

Features & Benefits:- * Replacement Piston Rings for S&S Milwaukee-Eight 107ci to 124ci & 114ci to 128ci Big Bore Kits. (4.250" Bore) T...

Features & Benefits:- * Moly Faced. * Sold Each/Per Piston * 2 Required Per Bike. Proudly Made in the USA by S&S Cycle !

* Milled from Billet Aluminum 6061-T6 * Revised spray locations for more effective cooling * Dual jets for uniform piston cooling * Shorter than OE...

Features & Benefits:- * 3.875" Bore * Black with CNC Machined Fins * Sold each, fits front & rear * Includes Dowel Pins (Does NOT include P...

* The strongest studs available! * Top engine builders demand quality fasteners! Secure your engine with complete confidence * Superior in strength...

Features & Benefits:- * OEM Style Heat Treated Alloy Steel Studs Equal or Surpass Original Equipment. * Set of 8 Studs. * Replaces OEM # 16834-...

* Cylinder Stud kit, 3/8-16 x 6.070", 8 pack. * Replaces OEM # 16834-99 Suggested Additional Purchase: Head Bolt Kit # CM-2012-8 or FE-3005

Features & Benefits:- * Sets balanced to + or - 1 gram * Made from a forging * Laser engraved * 100% Magnafluxed * Fully CNC Machined * Shotpee...

Features & Benefits:- * To Removal & Install use Tool # JM-1051. * To Ream to correct size use Wrist Pin Reamer Tool # JM-1726-3. * Bushin...

* 117" Standard Compression - Flat Top Pistons * Note: Crankcases must be bored to accept the larger 4-1/8" bore cylinders * Compression Ratios: 85...

* 117" Standard Compression - Flat Top Pistons * Note: Crankcases must be bored to accept the larger 4-1/8" bore cylinders * Compression Ratios: 85...

Features & Benefits:- * Includes 3cc Dome Forged Pistons. * Includes 0.045" Head Gaskets. * 3.937" Bore. * 4-3/8" Stroke. * 10.5:1 Compression ...

Features & Benefits:- * Includes 3cc Dome Forged Pistons. * Includes 0.045" Head Gaskets. * 3.937" Bore. * 4-3/8" Stroke. * 10.5:1 Compression...

* CAR-RSS1660-3937-0THG * ID # 6916 * Gas Nitride Top Ring, 1.2mm 2nd Ring Taper Hook Groove (Napier), 3.0mm Oil Ring, 3.937 bore * Sold per cylind...

Features & Benefits:- * Bore = 3.875" * Stroke = 4.000" * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled ...

Features & Benefits:- * Bore = 3.875" * Stroke = 4.000" * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then full...

Features & Benefits:- * Bore=3.875" * Stroke=4.000" * Hypereutectic Alloy is a cast 16% silicon content material * Perfect for air cooled engi...

Features & Benefits:- * Bore = 3.885" * Stroke = 4.000" * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then full...

Features & Benefits:- * Bore = 3.885" * Stroke = 4.000" * Hypereutectic Alloy is a cast 16% silicon content material * Perfect for air cooled e...

* These forged 3-7/8" bore stroker pistons for 1999-2006 Twin Cam are required for the S&S 106" stock bore stroker kit with 4-1/2" stroke flywh...

Features & Benefits:- * Bore = 3.875" * Stroke = 4.375" * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then ful...

Features & Benefits:- * Bore = 3.875" * Stroke = 4.375" * Flat Top with slight hollow Dome. * Forged 4032 Alloy is an 11% silicon alloy that is...

Features & Benefits:- * Bore = 3.885" * Stroke = 4.375" * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then full...

Features & Benefits:- * ID # 6435 * Bore = 3.875" * Stroke = 4.000" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * ...

Features & Benefits:- * Bore = 3.937" * Stroke = 4.000" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from ...

Features & Benefits:- * Bore = 3.937" * Stroke = 4.000" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from ...

Features & Benefits:- * ID # 6442 * Bore = 3.875" * Stroke = 4.000" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * ...

Features & Benefits:- * Bore = 3.937" * Stroke = 4.000" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from ...

Features & Benefits:- * ID # 2434 * Bore = 3.885" * Stroke = 4.000" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * ...

Features & Benefits:- * ID # 6932 * Bore = 3.937" * Stroke = 4.375" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers *...

Features & Benefits:- * ID # 6918 * Bore = 3.937" * Stroke = 4.375" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers *...