Motorcycle / Harley Chain Drive Primary | Birds Bitz

Arlen Ness Carbon Derby Cover – Gloss. Fits Touring 2016up

Thu, 06 Aug 2026 15:02:22 +0000

* Derby covers made from premium pre-preg Carbon Fiber in CNC machined aluminum molds

* Each carbon derby cover is made in aluminum molds, then CNC machined to add mounting holes & a flat gasket surface for proper primary fluid sealing

* Includes Arlen Ness logo on bottom side of cover

* Finished in a premium high gloss clear coat, engineered & tested for UV resistance

* Direct bolt-on fitment, easily installs in minutes like factory

*“On Line Shopping Only

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Drag Specialties Outer Primary Cover – Satin Black. Fits Softail 1999-2006 & Dyna 1999-2005

Thu, 23 Jul 2026 15:16:27 +0000

Features & Benefits:-

* Includes starter bush.

* Replaces OEM # 60543-99 & 60566-99

*“On Line Shopping Only

The post Drag Specialties Outer Primary Cover – Satin Black. Fits Softail 1999-2006 & Dyna 1999-2005 appeared first on Birds Bitz Motorcycle Parts & Accessories.

Drag Specialties Derby Cover – Satin Black. Fits Sportster 2004-2021

Thu, 23 Jul 2026 15:07:15 +0000

* Chrome Plated.

* 6 Hole Derby.

* Replaces OEM # 34760-04

*“On Line Shopping Only

The post Drag Specialties Derby Cover – Satin Black. Fits Sportster 2004-2021 appeared first on Birds Bitz Motorcycle Parts & Accessories.

Drag Specialties Derby Cover – Chrome. Fits Touring 2016up

Thu, 23 Jul 2026 15:07:09 +0000

Features & Benefits:-

* 5 Hole Derby Cover.

* Replaces OEM # 25700388

Tech Tips:-

Be sure to check the bolt spacing on your primary cover before purchasing. This cover has 4in. Bolt Spacing

*“On Line Shopping Only

The post Drag Specialties Derby Cover – Chrome. Fits Touring 2016up appeared first on Birds Bitz Motorcycle Parts & Accessories.

Barnett CLUTCHES Scorpion Lock-Up Clutch. Fits M8 Touring 2017-2020 with Hydraulic Clutch & Softail 2018up with Hydraulic Clutch Conversion.

Tue, 30 Jun 2026 15:03:06 +0000

Features & Benefits:-

* Progressively increases pressure as RPMs increase

* Reduced lever effort!

* Six High capacity coil springs provide smoother shifting and a more linear engagement

* Multiple spring sets included for a variety of pressure options

* No modifications required

* CNC machined, 6061-T6 billet aluminum pressure plate and steel hub

* Perfect for stock to large displacement, high HP/TQ motors

Tech Tips:-

* Touring Models Requirederby cover spacer B-686-30-16100 or Scorpion Series Clear Derby Cover # B-343-30-43015 (Chrome) or # B-343-30-44015 (Black)

NOTE Softail Models:

Late Narrow Primary Softails would require sourcing a 2018 FATBOB Primary Cover to work ie. BUT still needs grinding a small amount at the bottom of that derby cover hole..

ADDITIONAL OEM TYPE HYD. COMPONENTS REQUIRED SEPARATE!

*“On Line Shopping Only

The post Barnett CLUTCHES Scorpion Lock-Up Clutch. Fits M8 Touring 2017-2020 with Hydraulic Clutch & Softail 2018up with Hydraulic Clutch Conversion. appeared first on Birds Bitz Motorcycle Parts & Accessories.

Rollies Speed Shop Hydraulic Primary Chain Adjuster Kit. Fits Big Twin 1965-2000

Wed, 24 Jun 2026 15:13:11 +0000

Features & Benefits:-

* Reduction in vibration

* Constant and correct tension at all times

* Smoother shifting

* Extends the life of your primary chain

Tech Tips:-

* Not necessary to remove the primary chain for installation

* Replaces OEM # 39990-65

*“On Line Shopping Only

The post Rollies Speed Shop Hydraulic Primary Chain Adjuster Kit. Fits Big Twin 1965-2000 appeared first on Birds Bitz Motorcycle Parts & Accessories.

Rollies Speed Shop Primary Chain Adjuster Shoe. Fits Sportster 2004-2021

Wed, 24 Jun 2026 15:13:04 +0000

Features & Benefits:-

* Replaces OEM # 40039-02

*“On Line Shopping Only

The post Rollies Speed Shop Primary Chain Adjuster Shoe. Fits Sportster 2004-2021 appeared first on Birds Bitz Motorcycle Parts & Accessories.

Rollies Speed Shop Clutch Hub Nut Kit. Fits Big Twin 1941-Early 1984

Wed, 24 Jun 2026 15:12:16 +0000

Kit Includes:

1 x Clutch Hub Nut OEM # 37496-65

1 x Clutch Hub Nut Locktab OEM # 37503-41

1 x Clutch Hub Key OEM # 37523-15

1 x Clutch Hub Nut Seal OEM # 12014

*“On Line Shopping Only

The post Rollies Speed Shop Clutch Hub Nut Kit. Fits Big Twin 1941-Early 1984 appeared first on Birds Bitz Motorcycle Parts & Accessories.

Barnett CLUTCHES Stinger High Pressure Clutch Spring Retainer – Red. Fits CVO Big Twin 2013up, ‘S’ Models 2016up, Softail 2018up & Touring 2017up

Tue, 09 Jun 2026 15:02:51 +0000

The Stinger delivers precision clutch control where it matters most. Engineered specifically for 2013 and later Harley-Davidson Big Twins with in.Assist & Slipin. clutches, this complete retainer assembly combines aggressive design with proven performance. Whether you’re putting down serious power or demanding consistent engagement on the street, The Stinger provides the reliability and control performance riders require.

* High-Performance Aggressive Spring Retainer Plate. CNC-machined for precise fitment and maximum durability under extreme loads

* Dual Spring Set Configuration. Lighter Springs (25% reduction): Engineered for stock builds, delivering effortless lever pull without sacrificing engagement quality

Heavy-Duty Springs (20% increase): Tested and validated to handle 190+ HP and TQ, ensuring positive engagement under aggressive throttle application

* 3 Premium Retainer Bolts. Complete hardware for secure, vibration-resistant installation

Fitment:

* 2013up CVO Models

* 2016-2017 ‘S’ Models i.e. FXDLS, FLSS & FLSTBS

* 2017up M8 Touring Models

* 2018up M8 Softail Models

* Replaces OEM # 37000270A & 37000288 (1200N Springs)

*“On Line Shopping Only

The post Barnett CLUTCHES Stinger High Pressure Clutch Spring Retainer – Red. Fits CVO Big Twin 2013up, ‘S’ Models 2016up, Softail 2018up & Touring 2017up appeared first on Birds Bitz Motorcycle Parts & Accessories.

Barnett CLUTCHES Stinger High Pressure Clutch Spring Retainer – Black. Fits CVO Big Twin 2013up, ‘S’ Models 2016up, Softail 2018up & Touring 2017up

Tue, 09 Jun 2026 15:02:47 +0000

* High-Performance Aggressive Spring Retainer Plate. CNC-machined for precise fitment and maximum durability under extreme loads

* Dual Spring Set Configuration. Lighter Springs (25% reduction): Engineered for stock builds, delivering effortless lever pull without sacrificing engagement quality

Heavy-Duty Springs (20% increase): Tested and validated to handle 190+ HP and TQ, ensuring positive engagement under aggressive throttle application

* 3 Premium Retainer Bolts. Complete hardware for secure, vibration-resistant installation

Fitment:

* 2013up CVO Models

* 2016-2017 ‘S’ Models i.e. FXDLS, FLSS & FLSTBS

* 2017up M8 Touring Models

* 2018up M8 Softail Models

* Replaces OEM # 37000270A & 37000288 (1200N Springs)

*“On Line Shopping Only

The post Barnett CLUTCHES Stinger High Pressure Clutch Spring Retainer – Black. Fits CVO Big Twin 2013up, ‘S’ Models 2016up, Softail 2018up & Touring 2017up appeared first on Birds Bitz Motorcycle Parts & Accessories.