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With black pushrod tubes.
Complete chain drive cam chest kit without cams, to give you a solid base for a performance engine.
In this kit you'll find an upgraded cam plate, oil pump, tappets, cuffs, and pushrods. This cam chest kit is compatible with any performance cam out there you fancy (or already have).
Oil Pump/ Cam plate:
- Plate Precision machined from billet aluminum
- Passage plugs removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screens in both scavenge pickups
- Magnet in cam chest side to help to stop debris from entering oil pump
- 44% flow increase on supply side and 58% flow increase on scavenge
- Pressure relief valve is adjustable with unit installed in engine
- Includes S&S High Performance cam chain tensioner (907796).
Pushrods:
- Quickee pushrod kit, installs without removing rocker covers
- 7/16 anti-flex chrome moly tubing.
Tappets:
- S&S Precision Tappets
- Hand assembled to exacting tolerances
- Reduced valvetrain noise from start up to shut down
- Close tolerances for low leak down rates
- Fast pump up and superior high rpm performance.
Tappet Cuffs:
- Hard anodized black coating
- Billet aluminum construction
- Stronger than stock material eliminates distortion Improve tappet stability in high lift and high RPM situations

S&S M8 Cam Chest kit - Chain drive, no cam. Black

#708219

With chrome pushrod tubes.
Complete chain drive cam chest kit without cams, to give you a solid base for a performance engine.
In this kit you'll find an upgraded cam plate, oil pump, tappets, cuffs, and pushrods. This cam chest kit is compatible with any performance cam out there you fancy (or already have).
Oil Pump/ Cam plate:
- Plate Precision machined from billet aluminum
- Passage plugs removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screens in both scavenge pickups
- Magnet in cam chest side to help to stop debris from entering oil pump
- 44% flow increase on supply side and 58% flow increase on scavenge
- Pressure relief valve is adjustable with unit installed in engine
- Includes S&S High Performance cam chain tensioner (907796).
Pushrods:
- Quickee pushrod kit, installs without removing rocker covers
- 7/16 anti-flex chrome moly tubing.
Tappets:
- S&S Precision Tappets
- Hand assembled to exacting tolerances
- Reduced valvetrain noise from start up to shut down
- Close tolerances for low leak down rates
- Fast pump up and superior high rpm performance.
Tappet Cuffs:
- Hard anodized black coating
- Billet aluminum construction
- Stronger than stock material eliminates distortion Improve tappet stability in high lift and high RPM situations

S&S M8 Cam Chest kit - Chain drive, no cam. Chrome

#708218

S&S, 129" Power Package Engine Performance Kit

#701616

The demand for performance-based M8 bagger parts is growing, and M8 engines are creating more power daily. All that power requires a quality and strength that stock cases can't provide. That's where the new S&S M8 Crankcases come in. Designed to allow for larger bores, with a machined oil scraper for less oil on the flywheels. Offered is better reliability, all while fitting in a stock Touring frame.
- Stock deck height
- Fits stock frame
- Stronger than stock
- Machined, close-fitting oil scraper (stock is as cast)
- Large volume sump
- Redesigned to accept larger bores
- Upgrade replacement reference for OEM 24400120
- Fitment includes 23-up VVT models.
Note: See 708927 for up to 4-1/2" cylinder bore (4.695" spigot bore)

S&S, M8 Touring MK-Series crankcase assembly. Black

#993723

Designed to be re-used with the stock air cleaner cover for a true stealth high performance intake. Also allows installation of the Stealth 'optional air cleaner cover only', which are available in multiple open or closed stylings. Backplate is made of advanced synthetic polymers, like used in high performance automotive manifolds and high-end handgun bodies. This material offers strength, thermal stability, chemical resistance and reduced heat transfer to intake components for best induction efficiency.
- Provides 38% increase in flow
- Washable filter element
- High-strength synthetic polymer black plate, designed to reduce heat transfer to intake air. Cooler and denser air allows for more efficient cylinder fill and better performance
- Easy installation

S&S Stealth, air cleaner kit without cover

#995360

Black wrinkle painted with highlighted fins.
Complete set with all that's required to transfer your engine into a horsepower spitting monster. Will upgrade your stock 88" to 124" capacity. Kit comes complete with stroker flywheels, big bore cylinder & flat-top piston kit that gives a 10.8:1 CR with the included 91cc high flow heads. The 640 Easy Start gear driven cams provide the lift required to let this engine breathe but insures easy turn-over with stock starter & battery.
Note 1: Stock cases must be machined to accept the larger 4-1/8" big bore cylinders. Kit adds .096" to engine height but will fit stock frame.
Note 2: You will build a serious high performance engine. It is therefore not compatible with stock ignition and a stock (too small) throttle housing. A large throttle housing, as the 558678 S&S 58mm single bore unit, is advised and high performance ECU is required. Carbureted engines will require a ignition system with adjustable advance curves and large carburetor, as the S&S Super G or similar. Kits are machined to be compatible with stock manifolds.
Note 3: S&S recommends MCS 978519 JIMS crankcase bearing insert, for 03-17 Twin Cam models, to replace the stock roller bearing for the stronger early style Timken bearing. See MCS 978517 for required JIMS tool. The correct Timken bearing can be ordered as MCS 508960 / OEM 9028.

S&S, 124" Twin Cam Touring hot set-up kit with heads. Black

#986078

Optional or replacement, standard sized, teardrop cover. For S&S Stealth air cleaner kits. In a smoky chrome (black chrome) finish that offers all the reflective qualities of traditional chromium.
Fits all S&S Stealth air cleaner kits, with or without S&S or OEM cover and standard or with optional extra wide filter kit. When the sleeper mode is off, just install one of these 'not-so-very-stealthy' air cleaner covers

S&S, Stealth Teardrop cover. Lava Chrome

#986072

Gear Drive.
The biggest bolt-in cam for huge horsepower & torque gains.
S&S measured on the dyno: 2023 Low Rider ST with HPT496 camshaft, Stealth air cleaner, Super Street exhaust, max HP 120.73 @ 5770 RPM & max 127.04 torque @ 3230 RPM. 2023 Low Rider ST All Stock: Max HP 91.2 @ 4680 RPM & max Torque 119.2 @ 2960 RPM.
Compatible with all stock components but requires free-breathing air filter & exhaust mufflers. With each cam change S&S recommends their 583903 Precision tappet assembly set. This camshaft & gear kit includes camshaft, drive gear and driven gear on camshaft. Includes all required bearings, O-rings and hardware. Gear drive cams provide improved valve timing accuracy and more mechanical sound, when compared to chain driven cams.

Note: For best performance it is, like with all performance cams, recommended to use a free breathing air cleaner and exhaust system.
Note: With each cam change S&S recommends their 583903 Precision tappet assembly set.
Note: See the printed or online Motorcycle Storehouse catalog for the S&S camshaft specification chart.
Note: See 709033 for the replacement camshaft only

S&S, M8 gear driven HPT496G camshaft kit

#709032

Replacement rings come as sets for two pistons.

S&S, 5-3/8" bore piston ring set. +.030"

#704923

Direct replacement for the OEM plastic fuel rail, for the GEN2 M8 models with the late oval intake ports, which is prone to fail due to cracking & leaking. This S&S aluminum fuel rail is a direct replacement bolt-on upgrade manufactured from black anodized premium 6061 aluminum. Designed to improve reliability, built to last and the 44% larger fuel capacity/flow does a better job in dampen fuel pulses. This results in smoother engine operation, improved performance and optimized fuel delivery for maximum power output for when push comes to shove.
OEM replacement reference 27400071 fuel rail (with not fit models with 27400019 fuel rail).
- Direct no hassle bolt-on replacement
- Premium 6061 aluminum
- Black anodized
- No more leaks
- Improved reliability
- 44% larger capacity for improved fuel damping and flow
- Built to last

S&S, M8 billet fuel rail kit. 23-up GEN2 Touring

#708935

Kit comes with a Mini-Size classic S&S teardrop cover, in a Lava Chrome (black chrome) finish that leverages the mirror finish of traditional chromium and gives it a smoky radiance producing a unique dark look. Includes a washable High-Flow filter element and an air directional stinger cone to guide the flow of air as smoothly as possible into the engine.
High-strength synthetic polymer backplate — Designed to reduce heat transfer to intake air.
Note: This filter can optionally be be used with the stock air cleaner cover, for a true stealth mode, but 558651 adapter is required when installing the OEM air cleaner cover.

S&S, Stealth Mini-Teardrop air cleaner kit. Lava Chrome

#986075

This throttle body support bracket is required with Screamin’ Eagle throttle bodies when using the S&S Tuned induction air cleaner kits 941722, 941723 or 941721.
The stock throttle body is compatible with both stock and S&S brackets. Includes screws, SHC, 1/4-20 x 3/4"", Chrome, ASTM A574-92A

S&S, Induction Runner Support Bracket

#998692

Optional or replacement, smaller than standard, teardrop cover. For S&S Stealth air cleaner kits. Smoky chrome (black chrome) finish that offers all the reflective qualities of traditional chromium.
Fits all S&S Stealth air cleaner kits, with or without S&S or OEM cover and standard or with optional extra wide filter kit. When the sleeper mode is off, just install one of these 'not-so-very-stealthy' air cleaner covers

S&S, Stealth Mini Teardrop cover. Lava Chrome

#986073

This mid-control brake pedal provides the extra clearance required when installing S&S performance exhaust systems and slip-on mufflers. Offers improved braking feel and control. Designed for use on all M8 Softail models with mid controls and compatible with OEM foot controls. Will also fit M8 Softail models with forward control when converted to mid-controls, when using the OEM Fat Bob exhaust header. The brake pedal is precision CAD designed, CNC machined from 6061-T6 Billet aluminum and stress tested. Black anodized for lasting good looks.

S&S, M8 mid-mount brake pedal. Black

#997494

Kit comes with a standard size classic S&S teardrop cover, in a Lava Chrome (black chrome) finish that leverages the mirror finish of traditional chromium and gives it a smoky radiance producing a unique dark look. Includes a High-Flow filter element and an air directional stinger cone to guide the flow of air as smoothly as possible into the engine.
Note: This filter can optionally be be used with the stock air cleaner cover, for a true stealth mode, but 558651 adapter is required when installing the OEM air cleaner cover.

S&S, Stealth Teardrop air cleaner kit. Lava Chrome

#986074

Kit comes with a standard size classic S&S teardrop cover, in a Lava Chrome (black chrome) finish that leverages the mirror finish of traditional chromium and gives it a smoky radiance producing a unique dark look. Includes a High-Flow filter element and an air directional stinger cone to guide the flow of air as smoothly as possible into the engine.
- Provides 38% increase in flow
- Washable filter element
- High-strength synthetic polymer black plate, designed to reduce heat transfer to intake air. Cooler and denser air allows for more efficient cylinder fill and better performance
- Easy installation

S&S, Stealth Air Cleaner Kit with Lava Chrome Teardrop

#995359

Black.
A 4-1/2" large bore crankcase assembly version (4.695" spigot bore) of the S&S 701028 Standard bore MK-Series cases. Ready for even bigger bores to install truly massive cylinders!
All that big bore power requires a quality and strength past what stock cases can take. That is where this large bore S&S Softail M8 crankcases come in. Designed to allow for extra large bores, with a machined oil scraper for less oil dragging on the flywheels. Offered is better reliability, all while fitting in a stock frame.
- Stock deck height
- Fits stock frame
- Stronger than stock
- Machined, close-fitting oil scraper (stock is as cast)
- Large volume sump
- 4-1/2" bore (4.695"spigot bore)

S&S, M8 Softail MK-Series crankcase assembly. Large bore

#708928

With black pushrod tubes.
Complete chain drive cam chest kit, without cams, to give you a solid base for a performance engine. This cam chest kit is compatible with any Twin Cam chain drive performance cams out there you fancy (or already have).
Oil Pump/Cam Plate:
- Precision machined from billet aluminum
- Passage plugs removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screens in both scavenge pickups
- Magnet in cam chest side to help to stop debris from entering oil pump
- 44% flow increase on supply side and 58% flow increase on scavenge
- Pressure relief valve is adjustable with unit installed in engine
- Chain drive kits include S&S High Performance cam chain tensioner (907796).
Pushrods:
- Quickee Pushrod kit, allowing installation without removing rocker covers
- 7/16 anti-flex chrome moly tubing.
Tappets:
- S&S Precision Tappets
- Hand assembled to exacting tolerances
- Reduced valvetrain noise from start up to shut down
- Close tolerances for low leak down rates
- Fast pump up and superior high RPM performance

S&S, Twin Cam cam chest kit - chain drive, no cams. Black

#708221

Chain Drive like stock. Includes cam only.
The biggest bolt-in cam for huge horsepower & torque gains.
S&S measured on the dyno: 2023 Low Rider ST with HPT496 camshaft, Stealth air cleaner, Super Street exhaust, max HP 120.73 @ 5770 RPM & max 127.04 torque @ 3230 RPM. 2023 Low Rider ST All Stock: Max HP 91.2 @ 4680 RPM & max Torque 119.2 @ 2960 RPM.
Compatible with all stock components but requires free-breathing air filter & exhaust mufflers. With each cam change S&S recommends their 583903 Precision tappet assembly set. Gear drive cams provide improved valve timing accuracy but more mechanical sound, when compared to chain driven cams. The additional mechanical sound is the reason why OEM runs chain driven cams.

Note: For best performance it is, like with all performance cams, recommended to use a free breathing air cleaner and exhaust system.
Note: With each cam change S&S recommends their 583903 Precision tappet assembly set.
Note: See the printed or online Motorcycle Storehouse catalog for the S&S camshaft specification chart.
Note: See 709031 for this cam included in a complete camshaft kit, with all required bearings, O-rings and hardware for a no hassle installation.

S&S, M8 chain driven HPT496C camshaft only

#709033

Chain Drive like stock.
The biggest bolt-in cam for huge horsepower & torque gains.
S&S measured on the dyno: 2023 Low Rider ST with HPT496 camshaft, Stealth air cleaner, Super Street exhaust, max HP 120.73 @ 5770 RPM & max 127.04 torque @ 3230 RPM. 2023 Low Rider ST All Stock: Max HP 91.2 @ 4680 RPM & max Torque 119.2 @ 2960 RPM.
Compatible with all stock components but requires free-breathing air filter & exhaust mufflers. With each cam change S&S recommends their 583903 Precision tappet assembly set. This kit includes cam, all required bearings, O-rings and hardware. Gear drive cams provide improved valve timing accuracy but more mechanical sound, when compared to chain driven cams. The additional mechanical sound is the reason why OEM runs chain driven cams.

Note: For best performance it is, like with all performance cams, recommended to use a free breathing air cleaner and exhaust system.
Note: With each cam change S&S recommends their 583903 Precision tappet assembly set.
Note: See the printed or online Motorcycle Storehouse catalog for the S&S camshaft specification chart.
Note: See 709033 for the replacement camshaft only

S&S, M8 chain driven HPT496C camshaft kit

#709031

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