Time Away
We will be closing for Two week in Mid May Our last trading day will be Friday 8th May 2026.
Any orders placed after this date will be processed when we reopen on Monday, 25th May.
A Pair (2) Stainless Steel BSA Rebound spring bottom collars.
These high-quality collars are designed to if inside of the rebound spring Inner shroud of the lower rear suspension assembly on Plunger-frame BSA models.
Part Number: 2 x 89-4258
Material: Stainless Steel
Dimensions (Approximate):
Outer Diameter (OD): 1'11/16" (43mm)
Inner Diameter (ID): 1" (25.4mm)
Height: 3/8" (9.52mm)
Compatibility:
Designed to fit BSA Plunger-frame models, including:
A7, A10
May fit other models. Please verify part number and dimensions before purchasing.
Surface Finish:
Meticulously rumble-polished in a vibratory tumbler for hours, resulting in a smooth and semi-polished finish (see photos for details).
Made in the UK:
Proudly manufactured in Cornwall by CPC Engineering, supporting local craftsmanship and quality engineering.
89-4258 - Rebound spring bottom collars
- Brand: CPC Engineering
- Product Code: 89-4258
- Availability: In Stock
-
£30.00
- Ex Tax: £25.00
Related Products
89-4045 - plunger carrier column cap - Special
Set of 2 BSA/Sunbeam Plunger Carrier Column Caps(Plunger Column Screw Plug / Suspension Cap Top Nut)..
£30.00 Ex Tax: £25.00
67-4127 - Plunger rebound spring collar
A Pair (2) Stainless Steel BSA Plunger Rebound Spring CollarsThese high-quality collars are designed..
£27.60 Ex Tax: £23.00
89-4257 - Plunger spring top collar
A Pair (2) Stainless Steel BSA Plunger spring top collars.These high-quality collars ..
£30.00 Ex Tax: £25.00
Tags: BSA, 89-4258, Rebound, spring, bottom, collars, plunger, rear, parts, for, sale, spares, uk, england, cornwall, CPC, engineering, stainless, steel






