Engine parts for 105 Series Coupe Alfa Romeo

A simple head only package of Alfaholics upgrade components for Nord engines of all sizes – 1300/1600/1750/2000.

The kit comprises our hollow billet cams in mild fast road profile, performance valve springs, DLC cam followers, GTA curved rampipes and gaskets to rebuild and install the head. +15BHP on its own or +25BHP when fitted in conjunction with our full s/s sports exhaust which we strongly recommend to get the most out of the package.

Thus 130BHP or 140BHP for a 2000 engine where we rate a factory engine at 115BHP. We also recommend fitting our Alfaholics ignition package to ensure optimum ignition advance curve for modern fuel and optimum spark quality.

Now with standard Spesso head gasket due to availability issues with Reinz.

Best quality cam cover gasket to suit all 105 series cars.

Best quality engine gasket set. Includes all engine gaskets except head gasket and crank seals. All engine sizes available please select size.

Includes all gaskets to perform a head overhaul except the head gasket. Same kit for all engine sizes.

Best quality Spesso head gasket to fit all 105 series engines. Comes with 6 oil gallery ‘o-rings’  All engine sizes available please select size.

We stock both 10.9mm & 12mm lift versions.

10.9 to suit fast road engines of all sizes – 1300/1600/1750 & 2000, providing a smooth idle, good torque at low rpm, low exhaust emissions and substantial power increase.

12mm lift to suit performance 2000 engines.

Please select version

For a greater range of profiles with better torque and power characteristics, please see our Alfaholics Billet Camshaft listing below, as used in all our Alfaholics engine builds & GTA-Rs.

We stock a full range of Alfaholics manufactured performance cams for road, rally and race use across all engine sizes. These are manufactured from billet and rifle drilled to reduce weight. Please call or e-mail Max with your application and engine specs for options.

Precision CNC machined set of steel cam sprockets, aluminium verniers and locking bolts/nuts. We have manufactured the sprockets, bolts & nuts from a motorsport grade steel, whilst the verniers are machined from aircraft grade 7 series hard anodized aluminium. Original sprockets are typically worn which can lead to cam timing inaccuracy whilst verniers & bolts have typically been abused and damaged over the years. Installing these new Alfaholics parts constitutes a weight saving whilst enabling you to have better cam timing and having new motorsport quality ancillary parts to use in your performance engine build.

Precision CNC machined steel cam sprocket. We have manufactured the sprockets from a motorsport grade steel. Original sprockets are typically worn which can lead to cam timing inaccuracy. Installing this new Alfaholics part to have better cam timing and having new motorsport quality ancillary parts to use in your performance engine build. Priced individually.

Pair of precision CNC machined motorsport grade steel cam sprockets bolts complete with split pins.

Precision CNC machined aluminium vernier to suit 105 series Nord motors. We have manufactured these verniers from aircraft grade 7 series hard anodised aluminium.

Original vernier have typically been abused and damaged over the years. Please also note that cars which are currently running inlet cam VVT, require these parts to be able to delete the VVT as part of fitting our Alfaholics performance cams.

Installing this new Alfaholics part constitutes a weight saving whilst enabling you to have better cam timing and having new motorsport quality ancillary parts to use in your performance engine build. Priced individually.

Woodruff key to suit all 105 series camshafts.

Alfaholics production of early cam cover nut. Available as CNC machined from billet aircraft grade aluminium – lightweight version for competition cars or CNC machined from steel and zinc plated as original. Please select.

Fibre washer for cam cover 4 needed per car and 2 aluminium washers to be fitted to the back of the cam cover.

Cam cover aluminium washer. Two aluminium and four fibre washer needed per car.

Top timing chain to suit 1300/1600/1750/2000 engines.

Standard chains can be prone to stretching in high revving competition engines. This high quality IWIS chain manufactured using the best quality materials will improve life and reduce stretch resulting in more accurate cam timing over a longer period of use; ideal for all competition engines. To fit all 101/105/115 engines, 2 lengths available – 1600 or 1750/2000.  Please select.

Replacement top timing chain link to suit all 105 and 101 series twin-cam engines. Recommended after head removal if not fitting a new chain.

Replacement timing chain tensioner spring to suit all 101 and 105 series engines. Fits inside tensioner sleeve.

Replacement timing chain tensioner bolt that screws into the front of the cylinder head on all 101 and 105 series engines. Head size 14mm.

Replacement timing chain tensioner locking block to suit all 105 and 101 series engines. Slides into the tensioner mechanism for bolt to lock against.

Bottom timing chain to suit 1300/1600/1750/2000. Same chain for all engine sizes.

Standard chains can be prone to stretching in high revving competition engines. This high quality IWIS chain manufactured using the best quality materials will improve life and reduce stretch resulting in more accurate cam timing over a longer period of use; ideal for all competition engines. To fit all 750/101/105/115 and Alfa 75 Twinspark engines.

High quality lower timing chain tensioner to retrofit into the front cover and remove the excess slack from the non-adjustable lower chain. This is a very important part to fit in all high-performance engines to ensure greater accuracy of cam timing and thus more performance.

Special valve retaining collet to fit 9mm diameter valve stems as used on many performance valves. Two required per valve.

High quality reproduction of nord inlet valve. All engine sizes available.

High quality reproduction of nord exhaust valve. All engine sizes available. Please select size.

For our Alfaholics production valves as used in all our engine builds please see race and performance engine parts.

Set of four inlet valve guides to suit 101, 105 and Montreal engines. With machining for seal fitment.

Set of four exhaust valve guides to suit 101, 105 and Montreal engines. No machining for seal fitment as original. If use of seals is preferred, use 2 sets of inlet valve guides.

Set of four premium quality valve guide stem seals  to fit the inlet valve guide on all 101 and 105 series engines. Goetze brand or similar. Also used on the inlet guide on Montreal engines as well.

Half moon seal for sealing the back of the cam cover housing on the cylinder head. Two needed per car.

Stainless steel manifold heater hose inlet. Fits on rear of inlet manifold for heater pipe.  

Premium race quality cam follower with special F1 technology anti-friction coating. Over the past few years we have seen a general reduction in quality of the Alfa cam followers, this has triggered us to produce this ultimate quality item. The ultimate solution for all serious racers. Please note that we have increased the thickness of these followers by approx 0.6mm to make the part stronger and able to handle the increased pressures seen with extreme competition cams.

Alfaholics Production, premium quality standard cam follower manufactured from motorsport grade steel, centreless ground, face lapped and nitrided as per genuine OE followers. Not to be confused with the current alternative offerings – the poor quality of the other offerings on the market is the very reason why we manufactured these ourselves!

Camshaft tab washer to suit all 101 and 105 series engines.

Sizes from 1.500mm – 3.500mm in 0.025mm increments. Please specify sizes required.

Sizes from 1.500mm – 2.500mm in 0.025mm increments. Please specify sizes required.

Full set of inner and outer in standard specification. If using performance cams, we recommend you use our race valve springs.

Carefully selected by Alfaholics as the optimum valve spring for all performance 101/105 and race Alfa twin-cam engines, tested by Alfaholics to over 9000rpm!

Replacement stud for the rear of the engine block to attach the bell housing of the gearbox on all hydraulic clutch 105s. 4 studs used in per car.

For all early 101/105/115 1600 engines. Race quality Alfaholics production. Manufactured from superior race grade material, with beautiful quality rolled threads and very accurate tolerancing. (Please note that it is the terrible quality of other productions on the market, with cut threads and poor tolerances, that have pushed us to make these wonderful quality studs).

For all late 115/116 1600 engines. Also an excellent idea to use this M12 version to upgrade early 1600 engines to big studs to allow the head to be torqued to 2000 tightness to improve head-gasket reliability.  Race quality Alfaholics production. Manufactured from superior race grade material, with beautiful quality rolled threads and very accurate tolerancing. (Please note that it is the terrible quality of other productions on the market, with cut threads and poor tolerances, that have pushed us to make these wonderful quality studs).

Race quality Alfaholics production. Manufactured from superior race grade material, with beautiful quality rolled threads and very accurate tolerancing. (Please note that it is the terrible quality of other productions on the market, with cut threads and poor tolerances, that have pushed us to make these wonderful quality studs).

For all 75/155 narrow angle head 8v engines. Race quality Alfaholics production. Manufactured from superior race grade material, with beautiful quality rolled threads and very accurate tolerancing. (Please note that it is the terrible quality of other productions on the market, with cut threads and poor tolerances, that have pushed us to make these wonderful quality studs).

Available for all cars 1600, 1750 and 2000 engines. Race quality Alfaholics production. Manufactured from superior race grade material with very accurate tolerancing. (Please note that it is the terrible quality of other productions on the market, with poor tolerances, that have pushed us to make these wonderful quality nuts).

For all late 1600, 1750 and 2000 engines. Race quality Alfaholics production. Manufactured from superior race grade material with very accurate tolerancing. (Please note that it is the terrible quality of other productions on the market, with poor tolerances, that have pushed us to make these wonderful quality washers).

Premium quality piston & liner kit to suit all 105 engines. Kit includes piston rings, gudgeon pins and circlip. Priced per set, available for all engine sizes.

Premium quality 2000 high compression 10.4.1 piston & liner kit. Kit includes piston rings, gudgeon pins and circlips. Priced per set.

S4 Spider High Compression – ‘Motronic’. Available as sets of 4. Include gudgeon pins, circlips and liner seals. Priced per set.

Full set for 4 pistons to suit 101 & 105 series 1300 engines.

Full set for 4 pistons to suit 101 & 105 series 1600 engines.

Ring sizes (from the top) 1.5mm, 1.75mm and 4.0mm.

Full set for 4 pistons to suit 105 series 1750 engines. Both oil rings options available please select.

• Ring sizes (from the top) 1.5mm, 1.75mm and 3.5mm
• Ring sizes (from the top) 1.5mm, 1.75mm and 4.0mm

Full set for 4 pistons to suit 105 series 2000 engines. All oil ring options, available please select.

• Ring sizes (from the top) 1.5mm, 1.75mm and 3.5mm
• Ring sizes (from the top) 1.5mm, 1.75mm and 4mm
• Ring sizes (from the top) 1.5mm, 1.75mm and 4.5mm

High quality big end bearing shells, all engine sizes:-

Big End bearings – 1300 – 45mm journal. Standard & oversize available

Big end bearings – 1600/1750/2000 – 50mm journal. Standard & oversize available.

High quality main bearing shells, all engine sizes for 101 & 105 series – 1300/1600/1750/2000.

Machined using aircraft-grade aluminium and finished in hard anodizing. Features graduated markings 0-40 degrees to aid distributor advance setting. Both alternator (large) & dynamo (small) type in stock. For high revving late-race engines we recommend fitting the smaller dynamo version to help reduce water speed. This helps the water pick up heat from the engine to improve cooling efficiency.

• Large 402g (weight saving of 850g over the original unit).
• Small 314g

TDC pointer for the crank pulley. Available for either small (105mm) or large (125mm) crank pulley.

Little end bearings/shell’s to suit cars with 1300cc engine. Priced per bearing.

Set of 4 little end bearings to fit 101 and 105 Series 1600, 1750 and 2000 engines.

Reproduction Mahle thrust washers to suit all 105 series engines.

Set of standard sized crankshaft thrust washers to fit all 101 and 105 Series engines

We also stock 0.05 which is 0.125mm oversize.

Engine tab washer kit for camshafts, crank pulley, big end bearing caps and 5th main bearing cap later 2 piece style.

Pressed lock nut for the main bearings. 8 needed per car.

Main bearing locking tab washer. 2 lock tabs needed per car.

Nut to suit  1750/2000 conrod nut.

2000cc version only available – also possible to use on other engine sizes with small modification – ENG 2031/1

Big end bearing tab washer. 8 required for full set.

Replacement tab washer for the retaining bolts on an 8 bolt flywheel as fitted to 1300, 1600 and 1750 engines.

Flywheel bolt to fit 8 bolt 101 & 105 series flywheels found on 1300, 1600 & 1750 cars.

New bolt to fit all 6 bolt hole flywheels as fitted to 105 Series 2000 engines.

Cigarette shaped rubber oil seal that fits between the rear main bearing and block on all 101 and 105 Series twin-cam engines. Two required per engine.

Front crankshaft oil seal. To suit all 750/101 and 105 series engines.

Top quality Corteco front crankshaft oil seal – the best available. To suit all 750/101 and 105 series engines.

Rear crank oil seal  to suit all 750, 101 and 105/115 series cars up to 1989.

Top quality Corteco rear crankshaft oil seal to suit all 750, 101 and 105/115 series cars including Montreals. As used in all our race performance engines.

Corteco rear crank oil seal to suit series 4 Spider and Twinspark engines.

Aluminium tapered bungs for blanking crank oil galleries. These must be drilled out to wash crank out during engine rebuilds. Supplied as a complete set of 6.

Front crankshaft pulley nut to fit all twin-cam 101 and 105 series engines.

Front crankshaft pulley nut to suit injection engines.

Replacement tab washer for the crankshaft pulley nut on all 101 and 105 series engines.

Special bronze oilite or Spigot bush. There are two sizes available 20mm for cars with cable clutch and 24mm for cars with hydraulics clutch.

Metal spacer for starter motor to suit all 105 engines.

New reproduction oil pump – standard quality version – high capacity long gear version.

Veglia oil pressure sender to suit early cars (Step front GT, Guilia).

Oil pressure sender for late cars with 1750 & 2000 style dashboards.

Minimum oil pressure warning light switch to suit all 105 engines.

Paper gasket to suit cars with an early engines with cartridge filter.

Oil filter – early cartridge style as used on 750/101/102 and 105 series 1300/1600/ & some 1750 engines up to about 1972.

Spin-on style oil filter to suit 105 series engines from 1972 onwards. To suit all 2000 engines and later 1600 engines – high quailty direct replacement for original sized Alfa oil filters.

Oil dip stick. Measures 240mm from the top collar to the maximum fill level, designed for engines with an 80mm dip stick tube sticking out the side of the block.

Replacement oil sump plug to suit all  101 &105 series engines. Includes inbuilt magnet to keep unwanted debris out of your oil.

Replacement upper sump gasket where the oil pan connects to the engine block.

Lower sump gasket to suit nord engines. For performance engines use the premium version.

Premium quality reinforced lower sump seal with rubber beading for improved sealing.

Lower sump pan to suit all 105 series cars with Nord engines.

Olio oil filler cap – metal bayonet style as fitted to most Nord twin-cam engines.

Also for Twin Spark engines – ENG3014

Correct GTA style oil filler cap. Built-in swivel top breather pipe to connect to oil catch tank. A must for high revving race 105 series engines to allow the engine to breathe efficiently. Special trap type entrance to breather to prevent excessive amounts of oil being breathed as it comes off the chain.

Short rubber air intake hose that connects between the cross-over air hose and the intake plenum on all Bosch injected Twinspark engines and also Bosch injection Spiders 1988-93. 4 per car, approximately 45mm internal diameter.

Breather hose for cam cover to air filter canister – ENG1001.4

Standard Engine mount to suit all 105 series Alfa romeos.

Heavy duty engine mount to suit all 105 series Alfa romeos. Ideal for fast road, track day and race cars.

• 105 Tooth – All Cable Clutch cars
• 110 Tooth- 1300, 1600, 1750 with hydraulic operated clutch
• 130 Tooth – all 2000cc with hydraulically operated clutch.

Allows engine to spin up and rev much more responsively, improving gearshift speeds.

Alfaholics production, CNC machined from solid billet EN24T high tensile steel. To fit 2000 crank with 6 bolt fitment and hydraulic clutch. Beautifully machined and drilled to save weight and let clutch dust out – only 6.1kgs.

Allows engine to spin up and rev much more responsively, improving gearshift speeds.

Alfaholics production, CNC machined from solid billet EN24T high tensile steel. To fit 1300/1600/1750cc crank with 8 bolt fitment and hydraulic clutch. Beautifully machined and drilled to save weight and let clutch dust out – only 6.35kgs.

As above but for cable clutch fitment. Available for both 6 bolt or 8 bolt crank fitment. Correct cable bell-housing sized 105T ring gear fitted for 8T starter.

“Last summer my Giulia Super had clutch problems, it broke down three times. Now the car is fitted with Alfaholics Lightweight Steel Cable Clutch Flywheel and the F&S clutch assembly. The flywheel is beautifully machined and with snug fit to the crank and the clutch. Now, after a 1600km the first week after putting all things together I got a different car to drive!” Fredrik Lavesson.