fits  99-17 Twin Cam (NU)

Manufactured from blue anodized 6061 aluminum. A direct upgrade replacement for the stock breather assembly. Inside you will find the proprietary Labyrinth design to significantly reduces oil pass-through, keeping your engine running cleaner and smoother while burning less oil. The S&S dual O-ring design offers a superior seal, minimizes leaks and maximizes performance. Maintenance-free since the mesh filter elements and the umbrella valves is no longer required. – 6061 aluminum construction – S&S blue anodized finish – Dual O-Ring for a improved sealing – Labyrinth design to significantly reduce oil pass-through – Less oil carry-over to the intake – Improved durability when compared to the stock breather assemblies – No nore umbrella valve and mesh filter element so maintenance-free

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Home > Parts > Engine > Lower End > Breather Valves > S&S, billet head breather kit for Twin Cam

fits  99-17 Twin Cam (NU)

Twin Cam rocker box breather rebuild kit, fits Feuling and OEM breathers. Kit includes umbrella valves, filters and gaskets.

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Home > Parts > Engine > Lower End > Breather Valves > Feuling, rocker cover breather rebuild kit. Twin Cam

fits  99-17 Twin Cam (NU)

ARP mounting hardware is the best available to keep things together. This kit is made by ARP to Feuling’s exact specifications. Kit includes heat-treated 8740 chrome moly steel studs with special alloyed stainless steel head bolts. Polished corrosion-resistant finish. Installed to torque spec these studs can be reused without issue, unlike stock hardware. Kit includes 8 cylinder studs, 8 head bolts, moly assembly lubricant and thread sealant. Upgrade replacement for 16834-99A (studs) and 16478-85A and 16480-92A head bolts. Made in the U.S.A.

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Home > Parts > Fasteners > Feuling, ARP cylinder stud & head bolt kit

fits  99-17 Twin Cam (NU)

ARP mounting hardware is the best available to keep things together. This kit is made by ARP to Feuling’s exact specifications. Kit includes heat-treated 8740 chrome moly steel studs. Installed to torque spec these studs can be reused without issue, unlike stock hardware. Kit includes 8 cylinder studs, moly assembly lubricant and thread sealant. Upgrade replacement for 16834-99A. Made in the U.S.A.

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Home > Parts > Fasteners > Feuling, ARP cylinder stud kit

fits  99-17 Twin Cam (NU)

2 used. OEM replacement reference 18535-99 Note: Feuling recommends a max clearance of 0.002″-0.003″ between lifter and anti-rotation pin. Excessive clearance will create excessive noise. See Feuling 707372 for +.002″ oversize pin set (2).

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Home > Parts > Engine > Lower End > Tappets > Feuling, Anti rotation pins hydraulic tappet assembly

fits  99-17 Twin Cam (NU)

+0.002″ oversized diameter. 2 used. OEM replacement reference 18535-99 Excessive engine noise can be produced when there is excess clearance between the lifters and the anti-rotation pins. The excessive clearance allows the lifters to rock back and forth, which not only produces physical noise from the lifter rocking side to side, it can also lead to premature roller failure and even pin failure. Create a balanced and quiet engine with proper lifter anti-rotation pin clearance. Feuling recommends a max clearance of 0.002″-0.003″.

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Home > Parts > Engine > Lower End > Tappets > Feuling, Anti rotation pins hydraulic tappet assembly +.002″

fits  99-17 Twin Cam (NU)

Quick Install Adjustable pushrods + lower pushrod covers and upper pushrod retainer clips + 4x pushrods with 3/8″ (9.53mm) chromoly OD tubes and 0.134″ (3.4mm) wall thickness. Individual length Exhaust and Intake pushrods Installs without the removal of rocker covers. See Feuling 566072 for replacement pushrods only, 963228 for replacement pushrod covers only of this complete Feuling 707323 pushrod & pushrod cover kit This is the strongest ‘Quick’ install pushrod on the market! The strength and rigidity of this quick install pushrod is second only to heavy duty one piece pushrods. Our tube material starts out as 7/16″ rod OD, it then gets turned down to 3/8″ OD leaving heavy duty 7/16″–20 threads for the base and jam nut. The jam nut slides up the pushrod, the base then loosens up into the pushrod to shorten length and allow quick install access. Note: The supplied chrome lower pushrod covers and retainers are to be used with your stock inner/upper pushrod cover components as inner tubes, cups, springs and washers.

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Home > Parts > Engine > Top End > Pushrods > Feuling, Fast Install pushrod & pushrod cover kit

fits  99-17 Twin Cam (NU)

Stock replacement. Compatible with Feuling 525, 543, 574 cam grinds and others with stock base circles. Fixed Length one-piece, which makes them stronger than adjustable pushrods. Made of 4130 chrome moly with swedged formed ends. Heavy duty 7/16 diameter tube with 0.165″ wall thickness, precision concentricity, heat treated with a black oxide finish. Designed to eliminate pushrod flex, reduce valve-train harmonics and increase valve lift. Quick install pushrods are easier to use, however they cannot compare to a solid pushrod for strength and durability. Note: Since these pushrods fixed lengths they cannot be adjusted for other cams / engine set-ups than what they are designed for.

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Home > Parts > Engine > Top End > Pushrods > Feuling, HP+ One-Piece pushrod set. STD length > Feuling, HP+ One-Piece pushrod set. STD length

fits  99-17 Twin Cam (NU)

Used to plug the crankcases professionally when the tappet covers are removed. Complete with nylon screws for installation. These do a perfect job of keeping dust and debris out of the engine. And stuffing the crankcase with paper or rags? Those days are over!

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Home > 9Finger Fabrication, Twin Cam lifter bore case cover set

fits  99-17 Twin Cam (NU)

Used to align rocker boxes correctly and prevents them from shifting when being tightened. Helps prevent misalignment that may cause leaks.

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Home > Workshop > VTwin Tools > Engine Top End > MCS, rocker box alignment tool