PISTON SINGLE 998cc FLAT TOP SILICON PERFORMANCE +...
P20950-40

£35.44 exc vat

£42.53 inc vat

Out of stockOut of stock
Owing to non-availability of other good quality 998cc pistons, these Mini Spares Evolution design pistons from a renowned high-performance piston manufacturer are flat top with drilled oil drain-back holes rather than slots behind the rings for maxim...

£35.44 exc vat

£42.53 inc vat

Out of stockOut of stock

Alternative products

This rebore size has not been about for many years but is a favourite with motorsport participants looking for extra power. Now required by customers to get that last bore size out of their blocks.

Owing to non-availability of other good qua...

998cc flat top 3 ring circlip type piston set as fitted to early A plus to replace 4 ring set type. Gave 10.3 to1 CR and is a good alternative to use on any 998 with circlip type pistons. Replaced 4 ring(3 ring and scraper) P20754 from Hepolite 1980o...

People also bought products

Owing to non-availability of other good quality 998cc pistons, these Mini Spares Evolution design pistons from a renowned high-performance piston manufacturer are flat top with drilled oil drain-back holes rather than slots behind the rings for maxim...

These Piston rings are +40 oversize with 0.59" compression rings and 0.1181" oil ring fo 998cc

Spin on oil filter housing for performance engines-uses 88G402 gasket-made out of billet alloy it has a strong mating face to the block where oil leakage occurs from high revving engine vibrations, is slightly shorter offering more clear...

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 ...

ESPECIALLY FOR MINIS

This 20-50w semi synthetic oil is produced especially for minis where it needs to lubricate both engine and gearbox parts giving the neccessary coating and protection. Semi synthetic has a long life to 100c with maximum ...

Mineral oil especially formulated for the combined engine and gearbox such as the mini, but for better gearchange etc use MILERS002 except on rebuilt engines where pistons must be allowed to bed in using non synthetic oil. 5 litre bottle.

Se...

Mahle was Vandervell bearings 1.064" 27.05mm wide mains for the late 850cc plus all 997/998/1100cc at 20 thou oversize. Early 850 mains were VP592 and 1.185" 30.10mm wide...Quantity required-1 set.

Rod bearings, 850-1275 1 5/8" journals. Heavy duty steel backed bearing for durability and long life. Vandervell, once the only bearings to use on a competition motor they are now made by Mahle. ACL is now commonly used in race engines.

Mahle was Vandervell bearings 1.064" 27.05mm wide mains for the late 850cc plus all 997/998/1100cc at standard size. Early 850 mains were VP592 and 1.185" 30.10mm wide..Quantity required-1 set.

Replace with new camshaft,it's almost too easy to overlook during a rebuild. Camshaft bearings are pressed into the block and thus are usually done by a machine shop. You would not rebuild an engine without replacing the rod bearings, so why not the ...

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 ...

Ultra light non-adjustable steel duplex timing gear and chain set with locktab and countersunk screws AEA687.

See C-AJJ3325EVO with limited stretch race quality chain.

If you are working on your engine and ...

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...

Favoured by proffessionals for press fitting pistons, pre lubing bushes, roller and plain bearings, journals and gears. Prevents scuffing, seizure, wear, rust. Waterproof and corrosion proof.

Slightly lumpy at idle, especially in small bore units. Strong mid and top end power. Rev band 1,500 - 7,000 rpm.

As of July 2007 Kent cams had no supply of old camshafts for reprofiling and now only supply camshafts from new blanks.

All "A" Plus and engines with metal tube to locate dipstick (no 850cc or Automatics). 227mm from mount face to full mark.

A design initiated by Keith Dodd as an easier to use alternative to the other engine oil dip sticks available with butt...

Mini Spares Non genuine timing chain gasket fitted to every BMC A series engine with 10 gasket holes until the introduction of the A plus type which had a bulge in its side where the tensioner was fitted which had 11 holes.

Gasket material h...

Standard size crankshaft washers as a set of four, fits 998 and 1100cc.

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...

Con rod bearings, 850-1275 1 5/8" journals. Heavy duty steel backed bearing for durability and long life. The bearings to use if you want it to last. The only bearings to use on a fast road motor.

( Tri-Metal )

Sintered copper lead...