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ALFA - Reinforced engine parts
Manufacturers
ALFA - Reinforced engine parts
Subcategories
Engine parts for the Alfa Romeo 1.6 16V, engine code AR32104.
This category currently holds the forged piston kit for the AR32104 block. A forged piston is the first item you change on a Twin Spark that is going to be worked: it takes combustion pressures a cast piston will not, and it tolerates the heat of a raised compression ratio or of forced induction.
Bore and compression height are chosen on the product page. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 1.7 16V, engine code AR3055.
The category holds the forged piston kit for the AR3055 block, together with two CATCAMS performance camshaft sets listed for the Alfa Romeo 33 Series 2 1.7 8V, one for solid cam followers and one for hydraulic lifters. Each product page states the vehicle and the valvetrain it is cut for: read it before ordering.
Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 1.7 16V, engine code AR32205.
This category currently holds the forged piston kit for the AR32205 block. A forged piston is the part that decides how far a Twin Spark can be taken: it withstands the combustion pressure and the heat that break a cast piston, and it keeps its clearances once the engine is worked.
Bore and compression height are chosen on the product page. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 2.0 8V, engine code AR00512.
This category currently holds the forged piston kit listed for the 2.0 8V of the 105 series. On a twin cam of this age the piston is the weak point as soon as the compression ratio or the rev limit is raised: a forged piston takes that load where the original cast part cracks.
Bore and compression height are chosen on the product page. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 2.0 16V Twin Spark, engine code AR32301.
This is the best served engine of the Alfa range on our site. You will find the forged piston kit for the AR32301 block, the ARP Hi-Perf 8740 con rod bolt set for the 2.0 GTV, the CATCAMS 50 tooth adjustable cam pulleys for the 145 and 156 2.0 16V, ACL Race Series tri-metal big end bearings, and the VIBRA-TECHNICS engine and gearbox mounts for the 145.
Each product page states the vehicle it is listed for. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 2.0 16V Twin Spark, engine code AR32310.
The category holds the forged piston kit for the AR32310 block, the CATCAMS 50 tooth adjustable cam pulleys listed for the 145 and 156 2.0 16V, and ACL Race Series tri-metal big end bearings. Adjustable pulleys are what lets you dial in the cam timing once the bottom end has been rebuilt.
Each product page states the vehicle it is listed for. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 3.0 V6 12V Busso, engine code AR06412.
This category currently holds the forged piston kit for the AR06412 block. The Busso V6 is a long lived engine that is regularly rebuilt: a forged piston set is the point at which a rebuild stops being a repair and becomes a build, because it lifts the ceiling on compression ratio and on sustained load.
Bore and compression height are chosen on the product page. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 75 2.0 Twin Spark, 148hp, engine code AR06224.
The category holds the CATCAMS forged steel performance camshaft set listed for the 75 2.0 8V Twin Spark. A cam swap is the cheapest real power on this engine: it moves the torque curve without touching the bottom end, provided the valve springs and the timing can follow.
Check the lift and the duration on the product page against your build. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Engine parts for the Alfa Romeo 1.7 16V Turbo, 1750 TBi.
This category holds the forged connecting rod set for the 1750 TBi, sized to run with forged pistons. On a direct injection turbo engine the standard rod is what gives way first when boost pressure is raised: the forged rod carries that load and lets the build be taken further.
Small end and big end dimensions are stated on the product page. Dispatch the same day from our French stock, or within 72 hours from our European stock.
Do you own an Alfa Romeo powered by the Busso V6 (engine code AR064)? Discover our range of high-performance forged engine parts for this iconic V6, built in 12-valve and 24-valve versions (2.5L to 3.0L). Forged connecting rods, forged pistons and reinforced ARP hardware to strengthen and build your engine, on road and track.
Each component is selected for optimal compatibility with the Busso V6.
As Europe's leader in reinforced ALFA ROMEO engine parts, NSB Concept offers the most comprehensive range to get the best out of your Twin Cam, Twin Spark and modern engines. Our high-performance components cover every historic engine code: AR32104, AR32301, AR32310, AR06224, AR06412, from the classic 1.6-litre units to the powerful 3.0-litre V6.
Our exclusive catalogue brings together the leading brands: forged pistons from JE PISTONS, WISECO, WÖSSNER and MANLEY for maximum strength under high loads, performance valves from SUPERTECH and FERREA built for Twin Cam and Twin Spark architectures, and high-performance springs from FERREA and CATCAMS to cope with high revs. Complete your build with our multi-layer steel head gaskets from ATHENA and COMETIC, forged connecting rods from ZRP and MANLEY, and tri-metal bearings from ACL and KING RACING.
Every part guarantees perfect compatibility with your specific engine architecture (8V, 16V, Twin Spark). Transparent dual stock across France and Europe with real-time quantities. Same-day dispatch before 5pm from France, 72 hours maximum from Europe. The most competitive prices in Europe, with professional-grade quality trusted by Alfa Romeo motorsport specialists.
Q: What is the difference between WISECO and JE PISTONS pistons for the Twin Spark? A: WISECO offers ArmorGlide technology for reduced friction, while JE PISTONS excels on value for money thanks to American forging.
Q: Are SUPERTECH valves compatible with the classic Twin Cam? A: Yes, our SUPERTECH valves are specifically machined for Twin Cam AR cylinder heads, keeping the original dimensions.
Q: Do you supply ACL bearings for the Busso V6? A: Absolutely, we stock all the ACL and KING RACING bearings for the 2.5, 3.0 and 3.2-litre Busso V6.
