Scarborough Racing Developments

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Steering Wheel Boss Kits from:  Springalex and Mountey

for Porsche vehicles

Please note, we do not recommend that you attempt to fit steering wheels to vehicles fitted with air bags.


Select 'Classic Traditional' for 101mm p.c.d. fixing, 88mm centre bore wheels.

Select 'Classic Competition'  or 'Sports' bosses for 70 or 74 mm p.c.d. fixing, 54mm centre bore wheels.

(p.c.d. = pitch circle diameter - see diagram. This is the diameter of a circle described through the fixing holes in the boss kit.)


Springalex Boss Kits

These bosses are compatible with steering wheels manufactured by Mountney, Moto-Lita and Springalex. Also, the 70mm & 75mm bosses will fit steering wheels by Dino, Ifra, Italvolanti, Jamex, Momo, Nardi, Personal, Raid, Selm, Sparco & Sportline.

Porsche 911  -  Sports (collapsible)  (70 or 74 mm p.c.d.) - 1973>90   (ref M92)

 £31.98 including VAT

Porsche 924S  -  Sports (collapsible)  (70 or 74 mm p.c.d.) - 1985>90   (ref M93)

 £31.98 including VAT

Porsche 944  -  Sports (collapsible)  (70 or 74 mm p.c.d.) - 1982>96   (ref M93)

 £31.98 including VAT

( the specification for your particular vehicle may differ in appearance from this example)


Also, the following boss kits manufactured by Mountney are available.

Porsche 924, 944  - traditional boss (101mm p.c.d. fixing) -  >1983 (ref MB045)

 £24.98 including VAT

Porsche 924, 944  classic traditional   (101mm p.c.d.) -  >1983  CHROME version of the above (ref MB045C)

(please note: the horn push on this chrome version is black)


 £25.98 including VAT


To Order,  please  click on the "add to basket" button. Delivery charge will be quoted on the shopping cart screen.

 If you wish to discuss your requirements first, then you can phone us on  01723 363786. Our shop hours are 10.00am to 4.00pm, Wednesday to Friday and 9.30am to 1.00pm, Saturday.

We take payment  using most debit & credit cards.  You can also use

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