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100/4 Bottom End
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100M PISTONS
Our 100M Die Cast Pistons are made specially for us by Omega, Britain's leading competition piston manufacturer. They have the original 100M dish of 14CC which will give a compression ratio of approximately 8.5:1, providing the cylinder head and block have not been skimmed.
Being lighter and having a better design than the original they are not only stronger for performance use but are also quieter for road use. We have used metric sizes in order to take advantage of the latest ring technology and reduce crank case pressure.
They are supplied with gudgeon pins to suit standard clamp conrods (gudgeon pins for fully floating rods are available to order).
The sizes stated are the actual bore sizes, all clearances have been allowed for on the piston.
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Code: CENG409
Sku: CENG409 Availability: In Stock |
CENG409 |
£565.00
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Code: CENG410
Sku: CENG410 Availability: In Stock |
CENG410 |
£565.00
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Code: CENG411
Sku: CENG411 Availability: In Stock |
CENG411 |
£495.00
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Replacement Parts
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Code: CENG413
Sku: CENG413 Availability: In Stock |
CENG413 |
£32.00
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Code: CENG414
Sku: CENG414 Availability: In Stock |
CENG414 |
£32.00
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Code: CENG415
Sku: CENG415 Availability: In Stock |
CENG415 |
£32.00
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Code: CENG409C
Sku: CENG409C Availability: In Stock |
CENG409C |
£23.95
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6cc PISTONS
Forged by Omega for maximum strength. These give an approximate compression ratio of 10.5:1 the crown is of sufficient thickness to allow a 6CC dish to be machined in if a slightly lower compression ratio is required.
They are supplied as a set of 4 with plain Gudgeon Pins to suit fully floating con rods.
Gudgeon Pins for standard clamp rods are available to order.
88.5mm Pistons - 6 cc Dished Specification
Code: CENG410D
Sku: CENG410D Availability: In Stock |
CENG410D |
£565.00
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88mm Pistons - 6 cc Dished Specification
Code: CENG409D
Sku: CENG409D Availability: In Stock |
CENG409D |
£565.00
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Code: CENG409F
Sku: CENG409F Availability: In Stock |
CENG409F |
£565.00
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Replacement Parts
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Code: CENG413/3
Sku: CENG413/3 Availability: In Stock |
CENG413/3 |
£9.95
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Code: CENG413/7
Sku: CENG413/7 Availability: In Stock |
CENG413/7 |
£12.52
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Code: CENG413/10
Sku: CENG413/10 Availability: In Stock |
CENG413/10 |
£12.65
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Code: CENG409G
Sku: CENG409G Availability: In Stock |
CENG409G |
£18.95
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Code: CENG612C
Sku: CENG612C Availability: In Stock |
CENG612C |
£0.53
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BIG END SET STEEL CRANK - 100/4
Standard or High Performance Race bearings available to suit our Crank Shafts.
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Code: CENG419R
Sku: CENG419R Availability: In Stock |
CENG419R |
£89.41
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Code: CENG419
Sku: CENG419 Availability: In Stock |
CENG419 |
£36.87
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Code: CENG419RA
Sku: CENG419RA Availability: In Stock |
CENG419RA |
£82.40
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Code: CENG419R/001
Sku: CENG419R/001 Availability: In Stock |
CENG419R/001 |
£95.00
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CYLINDER LINER
Our good quality cast iron straight plain Cylinder Liners are available in three sizes, all over 8 inches (203mm) long and require shortening after fitting.
Approximate dimensions are:
ENG417B 3.543"od 3.346"id (90.0mm x 85mm)
CENG417 3.562"od 3.374"id (90.47mm x 85.7mm)
CENG417A 3.597"od 3.441"id (91.36mm x 87.4mm)
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Code: CENG417
Sku: CENG417 Availability: In Stock |
CENG417 |
£40.00
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Code: CENG417A
Sku: CENG417A Availability: In Stock |
CENG417A |
£40.00
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Code: ENG417B
Sku: ENG417B Availability: In Stock |
ENG417B |
£42.50
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SPIN-ON OIL FILTERS
These Standard Oil Filters traps and holds all particles larger than 25 microns, while capturing a high percentage of even smaller particles, their dirt-holding capacity is significantly larger than the minimum manufacturer requirements between oil changes. The full-flow oil filters use arch-pleated, prescription-blended media, which provides low initial restriction to oil flow – less than 2 psi pressure drop when filtering oil at a rate of 4 gallons per minute at normal operating temperatures.
Replacement Parts
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Code: CENG688
Sku: CENG688 Availability: In Stock |
CENG688 |
£8.95
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STEEL CRANKSHAFT -100/4
Our Steel Crankshafts are made from EN40B and Nitride hardened. To our drawings and specification by Britains leading manufacturer.
This steel crankshaft is made with the Works type 8 bolt fixing for the flywheel and is also ground ready for our rear oil seal kit. Requiring no additional machining to fit as it uses the standard main bearings and original 111.1mm stroke.
It can only be used with our Steel Con Rod Set (CENG432R).
For the person who wants the ultimate in performance, these obviously strengthen the bottom end considerably and mean that the engine can be reved safely to very high limits.
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Code: CENG419R
Sku: CENG419R Availability: In Stock |
CENG419R |
£89.41
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Code: CENG419RA
Sku: CENG419RA Availability: In Stock |
CENG419RA |
£82.40
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Code: CENG419R/001
Sku: CENG419R/001 Availability: In Stock |
CENG419R/001 |
£95.00
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Code: CENG432K
Sku: CENG432K Availability: In Stock |
CENG432K |
£3,250.00
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STEEL CON ROD SET
These are H-Beam style made to our drawings and specification by Britains leading manufacturer, with conventional fully floating little ends and can therefore only run with pistons that contain circlip grooves (i.e. our pistons CENG409, CENG410, CENG411 and CENG409F).
These are considerably lighter and stronger than standard ones. Supplied as a set of 4.
Two types available, the 100/S fits with the standard 100/4 crank sizes or the others to suit our steel cranks with better quality big-end shells.
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Code: CENG432R
Sku: CENG432R Availability: In Stock |
CENG432R |
£1,495.00
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Code: CENG403
Sku: CENG403 Availability: In Stock |
CENG403 |
£2,632.00
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Replacement Parts
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Code: CENG605
Sku: CENG605 Availability: In Stock |
CENG605 |
£32.00
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CORE PLUG STRAP KIT
This kit is designed to fit across the core plugs to stop them blowing out when under high stress from race or rally conditions.
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Code: CENG570
Sku: CENG570 Availability: In Stock |
CENG570 |
£19.50
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REAR CRANKSHAFT OIL SEAL CONVERSION KIT
When fitting this kit to the 100 it will require some machining to the crankshaft and cylinder block so therefore can only be fitted during a total engine rebuild. Although full instructions are supplied it is recommended that this kit is fitted by us or a qualified engineer. (A 4.2mm Drill & M5 Tap is also required). It is worth spending the money as, when fitted correctly, it really does stop those annoying oil leaks!
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Code: CENG590
Sku: CENG590 Availability: In Stock |
CENG590 |
£78.50
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Code: CENG850D
Sku: CENG850D Availability: In Stock |
CENG850D |
£1.95
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Code: CENG850T
Sku: CENG850T Availability: In Stock |
CENG850T |
£11.60
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Replacement Parts
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Code: CENG850S
Sku: CENG850S Availability: In Stock |
CENG850S |
£12.95
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ALUMINIUM ENGINE BACK PLATES
These Aluminium Engine Black Plates are much lighter and stronger than the Standard Engine Back Plates and machined to clear our rear crank oil seal kit.
Two types available:
- To suit original 4 cylinder mechanical clutch bellhousing.
- To suit a 6 cylinder hydraulic clutch bellhousing when fitted to a 100/4.
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Code: CENG402
Sku: CENG402 Availability: In Stock |
CENG402 |
£105.00
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Code: CENG402A
Sku: CENG402A Availability: In Stock |
CENG402A |
£105.00
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