SINGLE PISTON RING SET FOR R41570-00
08-524100-00

£18.75 exc vat

£22.50 inc vat

In stockIn stock

£18.75 exc vat

£22.50 inc vat

In stockIn stock

Recommended usage 1 x 08-524100-00 to fit one mini.

Kit products

3mm OIL RING with compression ring size .0591" (1.5mm)and one piece oil ring .1181" (3mm)on p21253 pistons giving 9.7cr on 1275cc. std ring size

For performance see steel ring set with 3 piece oil ring as favoured by engine builders[link]C1...

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Low drag 1275 piston standard size 2.780 (Rings included).

This piston has a possible compression ratio of 10.3:1 as fitted to Cooper RSP 1990.

The best performance 1275 pistons are C-STN100 range which have 9.73cr when the piston i...

3mm OIL RING with compression ring size .0591" (1.5mm)and one piece oil ring .1181" (3mm)on p21253 pistons giving 9.7cr on 1275cc. std ring size

For performance see steel ring set with 3 piece oil ring as favoured by engine builders[link]C1...

You should replace the camshaft bearings every time the block goes to the machine shop. These bearings fit all late model 1275cc blocks (the ones without tappet covers on the back) It's almost too simple and thus often overlooked during a rebuild. Ca...

Special superb extra strong timing chain with very limited stretch using modern day materials and technology to keep your timing correct and will fit any A series engine using a single row chain.

This chain saves all the time and effort requ...

Water pump fitting kit for models without bypass facility, includes new bolts, washers and superseal gasket.

Parts required to stop timing chain rattle on A plus engine with single row chain.Last chance to buy the plate and pin to hold the tensioner as they are

obsolete from Rover.

It is worth the expence to fit MSSK051EVOkit...

Set of +.030 thrust washers for 1275.Very useful for machining down when fitting non S cranks in 1275cc block

The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16" domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will ...

A series mini engine crank pulley bolts have been known to come loose, caused by pulley damper vibration on competition engines. This is a high tensile longer extended thread cap head bolt with thick washer to rectify this problem and also allow furt...

Set of 8, original leyland ST product but now made for us to our specification. Critical to the life and performance of the camshaft is the use of high quality cam followers. Remember, they operate in a finite hole and thus the dimensional tolerances...

Genuine Mini Spares green and black upgraded Klinger gasket set. 3 pieces



Has the extra front gasket required for 3 synchro case use

Non genuine water pump gasket for all A series engines.

Mini Spares quality gasket. When the factory introduced a timing chain tensioner to single row chains on the A plus engines they had to change the shape of the front plate giving it a bulge. This is the gasket for A plus engines only.

Converted into a non melting type grease.Favoured by proffessionals for camshaft,lobes and lifter,and any valvetrain to stop scuffing on start up. Also useful for oil pumps to stop drain back on start up

Lightened cam gear duplex timing gear and chain set. Not recommended for race/rally applications. approx 69-70g 9% lighter

General: Camshaft Drive Systems


For highly tuned engines always use steel duplex as cast is nowhere as st...

You require 5 of these high tensile short head studs and they torque to 42lb/ft. See also complete kit which includes these top grade studs C-AHT279. 3/8"unc stud with unf end for head nut and is 4" long. See other long head stud [link]C...

Big end shell bearings for the 1275 larger 1.75" diameter rod pin-not Cooper S

( Tri-Metal )

Sintered copper lead, lead plated,steel backed

Nominal Composition

Copper 74%

Lead 24%

Tin ...

Mini Spares own Universal gasket set for solid wall blocks

For any manual block, includes gaskets for "A"Plus and pre A Plus timing covers, but is less tappet chest cover gaskets. Does not include clutch oil seal.

We now offer an en...

Original equipment quality for factory built engines giving longer life expectancy on road cars under variable conditions of oil and use. These are the 1275cc mains as fitted to A Plus engines with the locating tab in the middle rather than to the ou...