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Engine parts > Engine parts/accessories





Mini Duplex chain and vernier adjustable steel gear set

Mini Duplex chain and vernier adjustable steel gear set

C-AJJ3327 - DUPLEX CHAIN AND VERNIER ADJUSTABLE STEEL GEAR SET

If you want to get the maximum benefit from a "hot" cam it is doubly important that the cam timing be correct. This adjustable timing gear set uses sets of dowel holes with two degree increments. When done properly your cam will be within one degree of right. (Use a 1 degree offset key and you can be exact!) Kit includes billet steel upper and lower gears plus a quality chain.



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Mini timing cover seal  oil 'slinger'

Mini timing cover seal oil 'slinger'

12A1148- OIL THROWER (TIMING COVER)

As soon as you take your timing cover off you should be faced with this oil thrower which helps protect the oil seal from excess leaking, suits both single and dual chain setups. 



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Mini timing crank gear shim (fits between crank+ lower crank timing gear)

Mini timing crank gear shim (fits between crank+ lower crank timing gear)

6K628- CRANK GEAR SHIM (5 THOU)

Very important shim to go behind crankshaft timing gear to align both wheels up and get correct alignment/true running of timing chain. Approx 5 thou thick,fit as many shims as required.



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Mini crank pulley damper for cooper S (for use with 12A367)

Mini crank pulley damper for cooper S (for use with 12A367)

12A367- CRANK PULLEY DAMPER ONLY "S" (MUST BE BALANCED TO PULLEY)

For high performance engines an efficient crank damper is a necessity to reduce failure. The standard damper commonly used is barely adequate for the standard engine. The damper ring 12A367 can be bolted directly to the toothed belt crank pulley, or used with the original V-belt crank pulley AEG454. The damper must be balanced to the pulley to provide logevity.



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Mini crank pulley for 12A367 damper

Mini crank pulley for 12A367 damper

C-AEG454-CRANK PULLEY FOR 12A367 DAMPER

For high performance engines an efficient crank damper is a necessity to reduce failure. The standard damper commonly used is barely adequate for the standard engine. The damper ring 12A367 can be bolted directly to the original V-belt crank pulley AEG454. Special locktab washer C-AHT146 is also available when fitting the damper



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Mini crank pulley locktab (competition grade) for Mk1 2pce dampers

Mini crank pulley locktab (competition grade) for Mk1 2pce dampers

C-AHT146- LOCKTAB FOR 2 PIECE CRANK DAMPER 12A367/AEG454

This original ST works type washer is expensive but is the best way of securing the 2 piece crank pulley but using 2 of DAM2377 and opening out the holes a little will do the trick



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Mini 998/1100cc centre main strap "inc bolts"

Mini 998/1100cc centre main strap "inc bolts"

CMS10- CENTRE MAIN STRAP 998cc (or 1100cc) INC BOLTS

Steel center main strap for small bore engines, comes with longer high tensile bolts. The Main bearing top cap will need machining flat, no other modifications required.



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CENTRE MAIN STRAP 1275cc EXCEPT "S" INC BOLTS

CENTRE MAIN STRAP 1275cc EXCEPT "S" INC BOLTS

CMS13- CENTRE MAIN STRAP 1275cc EXCEPT "S" INC BOLTS

Fits solid block 1275 motors, not cooper S. if your engine starts with 12…. Then this is for you

Steel centre main strap for large bore engines, comes with longer high tensile bolts.

Main top cap needs machining flat, no other modifications required.



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Mini 4 bolt 1275 centre main strap for 1275cc (except S) Inc bolts

Mini 4 bolt 1275 centre main strap for 1275cc (except S) Inc bolts

C-AGA619- Mini 4 bolt 1275 centre main strap for 1275cc  (except S) Inc bolts

Steel 4-bolt center main cap for large bore engines (not 'S'). Comes with correct length HT bolts. On all performance A series engines it is essential to ensure as accurate location of the center main bearing of the crankshaft as possible. Flex allowed here, especially at sustained high RPM levels, can cause spun bearings, crank or main cap breakage with severe or mortal damage to the engine. This specially machined cap provides the ultimate center main location, essential for all stroked engines. Requires line boring, and two extra holes drilled into the block and tapped 7/16" UNF. The thrust faces are part machined for final finishing while the line boring is being done. Bolts on one way only so take care to read instructions



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Mini ARP cooper S conrod bolt/nut set

Mini ARP cooper S conrod bolt/nut set

C-STR288- CON ROD BOLT SET "S" APT SET OF BOLTS/NUTS

These are made by ARP in the USA and considered the best avaiable. This nut and bolt set also fit sprite and Midget in line engines.



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Mini ARP, 1275 (not cooper S) conrod bolt/nut set

Mini ARP, 1275 (not cooper S) conrod bolt/nut set

C-STR289- CON ROD BOLT SET 1275cc NOT "S" ARP NUT/BOLT SET

These con rod bolt and nut set are made by ARP in the USA and considered the best avaialble FITS 1300 con rods plus MGB late 18V engine numbers with 11-32" bolts



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Mini cooper S stud set of 6 (2 long, 4 short)

Mini cooper S stud set of 6 (2 long, 4 short)

AEG323- MAINS STUD "S"(set 2 long 4 short)

Cooper S set of mains studs, 2 long 4 short.



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Belt drive kit, (convert timing chain to belt)

Belt drive kit, (convert timing chain to belt)

C-AJJ3326RACE

Belt drive-kit, up-rated rotoslide adjustment

A full kit to convert your timing gears to a "belt-driven" type to restore power-loss caused by original timing-gear wear and stretching.



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Belt drive kit with up-rated dowel adjustment

Belt drive kit with up-rated dowel adjustment

 

 

C-AJJ3328RACE

"Belt-drive" Up-rated dowel adjustment

Replacing the original cam-shaft timing-chain with a belt was a giant step forward.



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Replacement belt for belt drive kits (both types)

Replacement belt for belt drive kits (both types)

BELTBELT

"Belt-kit" Replacement belt



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