3000 Bottom End

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FORGED PISTONS

These pistons are manufactured exclusively for us by Omega. They are designed for competition and therefore are much stronger, but are equally good for road use. They are a direct replacement for the originals and require no special liners, head gaskets, etc.
To keep the compression ratio as high as possible they are machined in height to the upper-most limit and this means, if the engine block has been skimmed at any time, the piston top may have to be machined to suit. This is standard practice with all good engine builders and therefore should not pose any problem.

These pistons come in sets of six, including gudgeon pins, circlips and rings.

PLEASE NOTE: The sizes quoted are finished bore sizes and all tolerances have been allowed for on the piston. We have used metric sizes in order to take advantage of the latest piston ring technology. Replacement rings available, please state diameter and width when ordering.

3000 Bottom End
Code: CENG612M
Sku: CENG612M
Availability: In Stock
CENG612M
£845.00
Qty
Code: CENG611M
Sku: CENG611M
Availability: In Stock
CENG611M
£845.00
Qty
Code: CENG610
Sku: CENG610
Availability: In Stock
CENG610
£875.00
Qty
Code: CENG608
Sku: CENG608
Availability: In Stock
CENG608
£875.00
Qty

STEEL CON ROD SET

These are English made from forged billets and fully machined with H-beam style. Considerably lighter and stronger than standard ones, using far better and stronger rod bolts. Only fits with our steel crank.

3000 Bottom End
Code: CENG632R
Sku: CENG632R
Availability: In Stock
CENG632R
£1,399.00
Qty

Replacement Parts

Code: CENG605
Sku: CENG605
Availability: In Stock
CENG605
£12.95
Qty

BIG END SET STEEL CRANK

Two types Standard or High Performance Race bearings available to suit our Crank Shafts.

3000 Bottom End
Code: CENG619
Sku: CENG619
Availability: In Stock
CENG619
£52.98
Qty
Code: CENG619R
Sku: CENG619R
Availability: In Stock
CENG619R
£123.00
Qty

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.

3000 Bottom End

Replacement Parts

Code: CENG688
Sku: CENG688
Availability: In Stock
CENG688
£6.95
Qty

COMPETITION BIG END NUT

This excellent quality and lightweight 12 point reduced head size nut will fit the standard 6 cylinder big end bolts.

3000 Bottom End
Code: CENG606
Sku: CENG606
Availability: In Stock
CENG606
£2.95
Qty

ALUMINIUM ENGINE BACK PLATES

These are much lighter than standard and machined to suit our rear crank oil seals.

3000 Bottom End
Code: CENG603D
Sku: CENG603D
Availability: In Stock
CENG603D
£135.00
Qty
Code: CENG603C
Sku: CENG603C
Availability: In Stock
CENG603C
£145.00
Qty

STANDARD CRANKSHAFTS

Each of our reconditioned crankshafts go through a rigorous series of quality control checks before we sell them. They are crack tested, re-ground, tuftrided and straightened (the tuftriding process can warp the crank). A new spigot bush and oil restrictors are fitted.

We normally have a range of sizes in stock. Please enquire for specifications, using the contact details in the contact tab.

For range of Reconditioned Crankshafts available click here >> 

3000 Bottom End
Code: CENG633
Sku: CENG633
Availability: In Stock
CENG633
£595.00
Qty

STEEL CRANKSHAFT

Made from EN40B and Nitride hardened, these are for the serious competitor who is looking for the ultimate performance and reliability from their engine.

Having the original stroke and using std. main bearings. It can only be used with our Steel Con Rod Set CENG632R, a 12 bolt fixing flywheel and an aluminium back plate with full circle seal.

Now available - Race Big End Bearing.

3000 Bottom End
Code: CENG632K
Sku: CENG632K
Availability: In Stock
CENG632K
£3,450.00
Qty
Code: CENG632S
Sku: CENG632S
Availability: In Stock
CENG632S
£12.95
Qty
Code: CENG619
Sku: CENG619
Availability: In Stock
CENG619
£52.98
Qty
Code: CENG619R
Sku: CENG619R
Availability: In Stock
CENG619R
£123.00
Qty
Code: CENG603C
Sku: CENG603C
Availability: In Stock
CENG603C
£145.00
Qty

MAIN STUDS

Two types available, a replacement for standard or our competition wasted which include a thread in the top end to suit the fixing of our windage tray.

Both are heavy duty, excellent quality items to improve the main bearing cap clamp load.

Can be used in conjunction with original or our nut and washer set.

3000 Bottom End
Code: CENG630S
Sku: CENG630S
Availability: In Stock
CENG630S
£9.95
Qty
Code: ENG630S
Sku: ENG630S
Availability: In Stock
ENG630S
£7.95
Qty

MAIN NUT AND WASHER SET

Heavy duty excellent quality items to improve the main bearing cap clamp load.

Can be used in conjuction with original or our studs.

3000 Bottom End
Code: CENG631
Sku: CENG631
Availability: In Stock
CENG631
£26.15
Qty

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Welcome to the Denis Welch Motorsport website for Performance Parts. We cater for every aspect of work on your classic car be it road, race or rally, using our unrivalled success in many aspects of Motorsport to make your car as successful and reliable as possible.

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