GTA RACE & PERFORMANCE PARTS : ENGINE BLOCK

Standard timing chains can stretch and wear under high load, with a consequent affect on engine performance. German made Iwis competition timing chains are specially made with high wear resistant materials and coatings for longer life and improved...

Lightweight aluminium front timing pulley (105mm diameter) to suit 101 series and 105 1600 engines up to 1968. Ideal for race motors as the pulley is 'degreed' 360 degrees and includes the original Alfa markings as well.

Lightweight aluminium front timing pulley (125mm diameter) to suit 1750 and 2000,105 series engines. Ideal for performance engines, with its 360 degree scaling, and original Alfa Romeo markings too.  Not suitable for SPICA equipped vehicles. 

GTA distributor drive gear and sleeve - suitable for 1300 / 1600 GTA.

GTA oil pump - with correct longer splined drive but using modern Alfa high capacity oil pump body.

Spin on oil filter conversion kit, for use on 750,101 and 105 series cars with 1300,1600 and 1750 engines. Will require oil filter EN046.

Clear breather pipe hose to fit between the cam cover breather pipe and catch tank available under code EN575. Hose is clear to enable you to easily check if oil is being discharged into the catch tank. Sold per metre length.

Fabricated MOCAL alloy 1 litre oil catch tank. Includes oil level site gauge. Also note that the inlet diameter matches the outlet diameter of the twin-cam cam cover breather. See also EN576 for suitable clear breather hose. Main Body...

Engine block strengthening plate & windage tray. Bolts to main bearing caps & sump mounts and improves torsional rigidity and reduces oil drag on the rotating crankshaft. 105 blocks with 140bhp+ can twist and cause bearing failure. This plate reduces...

Engine block strengthening plate & windage tray. Bolts to main bearing caps & sump mounts and improves torsional rigidity and reduces oil drag on the rotating crankshaft. 105 blocks with 140bhp+ can twist and cause bearing failure. This plate reduces...

Top quality magnesium alloy lower sump pan to suit regular 105 Series twin cam engines. Weight less than 2.5kg.

As EN531 but drilled to suit 6 bolt crankshaft 2000 engines when fitted into an early pre-1968 car with mechanical clutch and gearbox. Suitable for 220mm ID 105 tooth ring gear (sold separately part number EN084). Designed and developed by...

Beautifully cast GTA style upper sump pan produced in magnesium alloy.

Beautifully made magnesium version of the deep 3 row GTA sump. Lightweight at 3.2kg! Requires the GTA oil pump when fitting to a non-GTA engine.

Reproduction deep 3 row GTA sump pan. Nicely cast in aluminium. 4.8kg. Requires a GTA oil pump if you are fitting to a non-GTA engine.

Spacer plate for bell housing. Please check photo carefully, to make sure this part is correct for your vehicle. This spacer is generally fitted on cars with hydraulic clutch from 1968-1975  

Spacer plate for bell housing. Please check photo carefully, to make sure this part is correct for your vehicle. This spacer is generally fitted on later cars from 1983 onwards.   If you require the starter motor spacer, please see EL068 STARTER MOTOR...

Lightweight billet steel fast road or competition 8 bolt flywheel 200mm, to suit 1300 & 1600 cars, fitted with a 105 tooth ring gear. Fits standard cable clutch cars. Will also fit all 101 cars. Please enquire for more details. Total weight -...

Lightweight billet steel fast road or competition 8 bolt flywheel, to suit 1300, 1600 & 1750 cars, fitted with a 110 tooth ring gear 215mm. Fits standard hydraulic clutch. Please enquire for more details. Total weight - only 7.3kg! ** NOTE **...

Lightweight billet steel competition 6 bolt flywheel to suit 2000 competition engines using early mechanical clutch. 105 tooth ring gear, 200mm driven plate. Also suitable for using a later 6 bolt 1600 crank in an early engine. Total weight -...

Lightweight billet steel competition 6 bolt flywheel to suit 2000 competition engines, with 130 tooth ring gear fitted. Fits standard hydraulic clutch. Please enquire for more details. Total weight - only 7.3kg!

Standard 105 series engine mounts are sometimes found to be too soft for competition use, allowing the engine to move around too much under load. These heavy duty engine mounts are ideal for high performance engines and competition use, while still...

Standard 105 series engine mounts are sometimes found to be too soft for competition use, allowing the engine to move around too much under load. These heavy duty engine mounts are ideal for high performance engines and competition use, while still...

Sump guard to fit all 105 Series cars. Zinc plated.