

|
Product detailed specification |
|
|
Bore size |
81.50mm |
|
Stroke |
86.40mm |
|
JE Pistons compression ratio (CR) |
9.25:1 |
|
OEM compression ratio (CR) |
9.5:1 |
|
Dome volume (CC) |
-3.10cm3 |
|
Compression height (CH) |
32.66mm |
|
Pin diameter |
20mm |
|
Features |
Accepts Turbo and Nitrous; Round piston skirt |
|
Fits for |
VAG - 1.8T 20V |

Set includes:
1 MLS Zylinderkopfdichtung (82mm x 1.65mm)
1 Ansaugkrümmerdichtung
1 Abgaskrümmerdichtung
1 Ventildeckeldichtung
20 Ventildichtungen
und andere.

| 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 |
![]() |
|
CT-1 is a Dry Film Lubricant coating that helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not affected by dust or dirt. CT-1 is specifically engineered to withstand the extreme conditions of today's high performance engines. Professional engine builders enjoy a higher level of confidence with increased embedability, strength and durability.

|
Product detailed specification |
|
|
Bore size |
81.50mm |
|
Stroke |
86.40mm |
|
JE Pistons compression ratio (CR) |
9.0:1 |
|
OEM compression ratio (CR) |
9.3:1 |
|
Dome volume (CC) |
-7cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
21mm |
|
Features |
Accepts Turbo and Nitrous |
|
Fits for |
Audi S4, RS4, A6 - 2.7 30V |



| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M1644H |
5M1644HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-metal | |
| Min Std Shaft Size | 2.1243in / 53.958mm | |
| Max Std Shaft Size | 2.1251in / 53.978mm | |
| Min Std Tunnel Size | 2.3228in / 59.000mm | |
| Max Std Tunnel Size | 2.3236in / 59.019mm | |
| Max Wall at Crown | 0.0985in / 2.502mm | 0.0980in / 2.489mm |
| Max Overall Length | 0.728in / 18.49mm | |
| Notes | Set contain 6 x 1648H and 4 x 1644H shells. Use 1648H shell in #4 position as upper and lower. | |
|
Diagram |
|
|

|
Product detailed specification |
|
|
Bore size |
82.50mm |
|
Stroke |
86.40mm |
|
JE Pistons compression ratio (CR) |
9.0:1 |
|
OEM compression ratio (CR) |
9.3:1 |
|
Dome volume (CC) |
-5.70cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
21mm |
|
Features |
Accepts Turbo and Nitrous; Round skirt |
|
Fits for |
Audi S4, RS4, A6 - 2.7 30V |


|
Product detailed specification |
|
|
Bore size |
82.00mm |
|
Stroke |
86.40mm |
|
JE Pistons compression ratio (CR) |
9.25:1 |
|
OEM compression ratio (CR) |
9.5:1 |
|
Dome volume (CC) |
-3.6cm3 |
|
Compression height (CH) |
32.66mm |
|
Pin diameter |
20mm |
|
Features |
Accepts Turbo and Nitrous, round piston skirt |
|
Fits for |
VAG - 1.8T 20V |

| Position | 1,2,3,4,5,6 | ||||||
|---|---|---|---|---|---|---|---|
| Pairs & PN |
|
||||||
| Quantity | 6 | ||||||
| Crankshaft | 57.978 / 57.958 | ||||||
| Housing | 63.000 / 63.017 | ||||||
| Max Wall | 2.499 | ||||||
| Max Length | 18.471 |