VW / Audi 1.8T 20V

Athena Racing 338 series multilayer steel (MLS) cylinder head gasket.
Athena MLS gaskets are designed to suit the requirements of today’s competition engines offering enhanced sealing compared to the OEM product. The gaskets are assembled from 2-5 layers of high quality stainless and spring steels.
Part number: 338254R
Gasket thickness: 1.25mm
Bore size: 83.80mm
 

Fits for 4 cylinder Audi / VW / Seat / Skoda 1.8T 2.0 20V engines.
Can be used with orginal springs or together with FCP high performance valve double spring kit.
Kit helps to eliminate valve float.
Retainers are very strong and light. Weight is only 9g and 4g. Grade 5. 

12 pcs. intake valve titanium retainers
8 pcs. exhaust valve titanium retainers

ARP are a manufacturer of fasteners / bolts found in engines and drivelines, ranging from OEM replacement parts to specialty hardware for racing applications.
ARP is the world leader in fastener technology.
ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high-combustion engines.

Spring data:
Seat pressure: intake - 60lbs @ 36.60mm, exhaust - 80lbs @ 33.20mm
Spring coil bind: intake - 23.00mm, exhaust - 19.50mm
Max lift: intake - 13.60mm, exhaust - 13.70mm
Rate: intake - 6.70lbs/mm, exhaust - 10.00lbs/mm
Intake single spring:
Outer diameter - 20.60mm
Inner diameter - 14.40mm
Exhaust double spring:
Outer spring outer diameter - 29.10mm
Outer spring inner diameter - 21.90mm
Inner spring outer diameter - 20.50mm
Inner spring inner diameter - 15.50mm

Set includes:
Intake springs - 12 pcs. SPR-A2095
Exhaust springs - 8 pcs. SPR-H1002D-AU
Titanium retainers: 12 pcs. intake RET-AU5VI-T2, 8 pcs. exhaust RET-AU5VE-T1
Seats - 8 pcs. exhaust SEAT-H1000

Valve springs data
Installed seat pressure:
Intake valve spring - 25kg, exhaust double valve spring - 36kg
Load:
Intake - [email protected], exhaust - [email protected]
Max lift:
intake - up to 11mm, exhaust - up to 12.7mm
Made from chrome-silicon steel SAE9254-V
12 pcs. intake valve single springs
8 pcs. exhaust valve double springs
12 pcs. intake valve spring titanium retainers
8 pcs. exhaust valve spring titanium retainers
Fits all 4 cylinder 1.8-2.0 20V Turbo/NA Audi / Seat / Skoda / VW engines.
With this set the risk of valve flutter and a possible engine failure is minimized.
Recommended for engines with series and racing camshafts and over 7600 RPM.
Titanium retainers are very strong and light, they help to eliminate valve float. Weight is only 9 and 4 g.

ENGINE BEARINGS
	CON ROD BEARING SET
	Part#
	4B1606H	4B1606HX
Sizes	STD, .025, .25, .50	STD
Oil Clearance	Standard	+ 0.001" Extra
Half Type	Identical Halves
Material	Tri-metal Hardened steel backs
Min Std Shaft Size	1.8802" /47.758mm
Max Std Shaft Size	1.8810" /47.778mm
Min Std Tunnel Size	1.9921" /50.600mm
Max Std Tunnel Size	1.9929" /50.619mm
Max Wall at Crown	0.0553" / 1.405mm	0.0548" /1.392mm
Max Overall Length	0.748" / 19.00mm
Notes	Bearing has 1.65mm oil hole at crown
Diagram        (Top View)

Engines Audi / VW - 1.6 1.8 2.0 (2V, 4V, 5V, Turbo applications, 1983-2003)