3000 Bottom End

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CRANK OIL RESTRICTORS

Reproduction of standard brass item in two sizes.

A necessary item to replace if heat treating the crank or thoroughly cleaning it.

3000 Bottom End
Code: CENG633D
Sku: CENG633D
Availability: In Stock
CENG633D
£3.75
Qty
Code: CENG633B
Sku: CENG633B
Availability: In Stock
CENG633B
£3.75
Qty

CRANK THREADED INSERT

Reproduction of the standard in a higher grade steel. Required for general replacement or when converting to an 8 bolt.

3000 Bottom End
Code: CENG633C
Sku: CENG633C
Availability: In Stock
CENG633C
£8.45
Qty

LIGHTENED CRANKSHAFT SPROCKET

The original Crankshaft Sprocket is made of soft cast iron, our is made to our own specification from steel billet and heat treated to within close limits, for long life and weight saving.

3000 Bottom End
Code: CENG640
Sku: CENG640
Availability: In Stock
CENG640
£69.95
Qty

COMPETITION CRANK SUPER DAMPER

The best damper available. 

These will stand much higher revs and absorb the harmonics from the engine. (Requires slight modification to the chassis cross member.) Perfect for Road or Race.

Ideal to make a fast road car smoother and a MUST for race and rally cars.

3000 Bottom End
Code: CENG643
Sku: CENG643
Availability: In Stock
CENG643
£385.00
Qty
Code: CENG643P
Sku: CENG643P
Availability: In Stock
CENG643P
£109.95
Qty

Replacement Parts

Code: CENG643R
Sku: CENG643R
Availability: In Stock
CENG643R
£69.00
Qty

STANDARD CRANKSHAFT DAMPER/PULLEY

This damper has been tested on our own Dynamometer and also on many of our engines. It meets all the specified requirements for standard engines.

Suits 3/8" wide fan belt.

3000 Bottom End
Code: ENG643
Sku: ENG643
Availability: In Stock
ENG643
£395.00
Qty

COMPETITION FRONT CRANK SEAL

A considerably higher grade material allows this seal to stand increased heat levels.

Particularly useful when driving in long distance races, not recommended for road cars.

3000 Bottom End
Code: CENG782
Sku: CENG782
Availability: In Stock
CENG782
£17.50
Qty

CRANKSHAFT REAR SEAL CONVERSION

This kit consists of a small aluminium housing which holds a split lip seal around the rear of the crank and stops those annoying oil leaks from the back of the engine.

When fitting the kit to the 100/6 or 3000 it can be done with the engine in-situ, just the gearbox, flywheel and back plate must be removed. It requires only four holes to be drilled and tapped in the back of the block. The back plate has to be relieved to clear the housings or alternatively we offer an exchange or aluminium back plate ready machined.

Drilling jig and full instructions are supplied with the kit.

3000 Bottom End
Code: CENG850
Sku: CENG850
Availability: In Stock
CENG850
£54.50
Qty
Code: CENG850D
Sku: CENG850D
Availability: In Stock
CENG850D
£1.95
Qty
Code: CENG850T
Sku: CENG850T
Availability: In Stock
CENG850T
£11.60
Qty
Code: CENG603B
Sku: CENG603B
Availability: In Stock
CENG603B
£49.50
Qty
Code: ENG603R
Sku: ENG603R
Availability: In Stock
ENG603R
£2.75
Qty

Replacement Parts

Code: CENG850S
Sku: CENG850S
Availability: In Stock
CENG850S
£12.95
Qty

COMPETITION CRANK NUT

Top quality steel with no starter dog.

3000 Bottom End
Code: CENG646
Sku: CENG646
Availability: In Stock
CENG646
£14.95
Qty

ALUMINIUM FLYWHEELS

Made in England to our design to exceptional quality. These are CNC machined from a solid aluminium billet with a ground steel friction ring attached to provide the clutch face. The thin ring gear is fitted and grub screwed.

These weigh only 4.6 Kg (10.1lb) complete. So are very suitable for serious fast road and rally cars which wish to use a 9 1/2" organic or paddle clutch. These suit the "Works 8 bolt" or standard 4 bolt crank fixing, or our 12 bolt steel crank fixing.

Should be installed using our flywheel bolts and washers, also a 27mm offset pre-engaged starter motor is recomended.

3000 Bottom End
Code: CENG636AOTG
Sku: CENG636AOTG
Availability: In Stock
CENG636AOTG
£495.00
Qty
Code: CENG636AOG
Sku: CENG636AOG
Availability: In Stock
CENG636AOG
£495.00
Qty

STEEL FLYWHEELS

These are machined from a solid billet to four different specifications. To suit either a 7.25" twin plate race clutch or the 9 1/2" organic clutch, also to suit the "works" 8 or 4 bolt crank fixing or our 12 bolt steel crank fixing.

All have considerable lightening holes where possible, the ones to suit the race clutch also only accept a thin ring gear.

3000 Bottom End
Code: CENG635SO
Sku: CENG635SO
Availability: In Stock
CENG635SO
£395.00
Qty
Code: CENG635SOT
Sku: CENG635SOT
Availability: In Stock
CENG635SOT
£395.00
Qty
Code: CENG635SR
Sku: CENG635SR
Availability: In Stock
CENG635SR
£545.00
Qty
Code: CENG635SRT
Sku: CENG635SRT
Availability: In Stock
CENG635SRT
£495.00
Qty

A Little About Us...

Company Info

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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