
| ENGINE BEARINGS | ||
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CON ROD BEARING SET |
|
| Part# | ||
| 4B1568H |
4B1568HX |
|
| Sizes | STD, .025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.8888in / 47.975mm |
|
| Max Std Shaft Size |
1.8894in / 47.9911mm |
|
| Min Std Tunnel Size |
2.0472in / 52.000mm |
|
| Max Std Tunnel Size |
2.0478in / 52.015mm |
|
| Max Wall at Crown |
0.0785in / 1.993mm |
0.0780in / 1.980mm |
| Max Overall Length |
0.787in / 20.00mm |
|
| Notes | .. | |
|
Diagram |
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|
Product detailed specification |
|
|
Bore size |
81.00mm |
|
Stroke |
86.40mm |
|
JE Pistons compression ratio (CR) |
9.25:1 |
|
OEM compression ratio (CR) |
9.5:1 |
|
Dome volume (CC) |
-2.7cm3 |
|
Compression height (CH) |
32.66mm |
|
Pin diameter |
20mm |
|
Features |
Accepts Turbo and Nitrous, coated round piston skirt |
|
Fits for |
VAG - 1.8T 20V |



Spring data:
Outer spring outer diameter: 27.50mm
Outer spring inner diameter: 20.00mm
Inner spring outer diameter: 20.00mm
Inner spring inner diameter: 15.20mm
Seat pressure: 88Lbs@34.20mm (seat)
Spring coil bind: 20.70mm
Max lift: 14.00mm
Rate: 12.10Lbs/mm
Set includes:
Dual springs: 24 pcs. SPR-TS1015-GTR
Titanium retainers: 12 pcs. RET-TS5.5-T8 (intake) & 12 pcs. RET-TS5.5-T9F (exhaust)
Seats: 12 pcs. SEAT-TS-GTR2 (intake) & 12 pcs. SEAT-TS-GTR (exhaust)

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| Half Type | Identical halves |
| Material | Tri-metal Hardened steel backs |
| Min. Std Shaft Size | 2.0465in / 51.981mm |
| Max. Std Shaft Size | 2.0472in / 52mm |
| Min. Std Tunnel Size | 2.1663in / 55.024mm |
| Max. Std Tunnel Size | 2.167in / 55.042mm |
| Max Wall at Crown | 0.0593in / 1.506mm |
| Max Overall Length | 0.7598in / 19.3mm |
| Weight | 0.253 |
| Notes | 0 |

Walbro part number: GSS342 (includes full install kit)
Type: universal electric in-tank fuel pump
Fuel: gasoline
Flow rate: 255LPH
Noise level: very quiet
Minimum voltage: 12V
Fuel pump dimensions:
Length: 120mm (overall)
Length: 80mm (case only)
Diameter: 39.5mm
Inlet width: 11mm
Outlet width: 8mm
Operating pressure: 15-90 PSI - final fuel pressure set by regulator
Pushing a whopping 255 liters of fuel per hour at high pressure
High pressure, high performance universal in-tank fuel pump for the extreme automotive enthusiast
All Walbro fuel pumps are brand new and 100% authentic Walbro. Made in the USA
Design based on TI Automotive OEM Chevrolet Corvette and Dodge Viper technology

Valve guide info:
Part number: FCPVGA/20
Material: Bronze
Length: 38mm
Inner diameter: 7mm
Outer diameter: 12.07mm
For intake and exhaust valves