TOMEI
Tomei EJ25KIT With Bearings
Tomei EJ25KIT With Bearings
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Full Billet 79.0mm Stroked!
New, stronger and lighter weight crankshaft.All new engine kit to win the competitions!
PRODUCT INFO
| APPLICATION | BORE | P/N | NOTES | |
|---|---|---|---|---|
| EJ255 EJ257 |
φ99.75 | 252008 |
【With Conrod Bearings Bundle Pack】
| APPLICATION | BORE | P/N | NOTES | |
|---|---|---|---|---|
| EJ255 EJ257 |
φ99.75 | 250020 |
FEATURE / SPEC
SPEC
PISTON
|
Bore (Φ) |
Pin Dia (Φ) |
Recess |
Comp.Height (mm) |
PistonCrownVolume (cc) |
Weight (g) |
|---|---|---|---|---|---|
| 99.75 | 23.0 | ○ | 30.7 | 19.5 | 503 |
| Top ring B×T(mm) | Second ring B×T(mm) | Oil ring B×T(mm) |
|---|---|---|
| 1.2×3.45 | 1.2×4.0 | 2.5×2.7 |
CRANKSHAFT
| Stroke (mm) | Weight (kg) | STD Stroke (mm) |
|---|---|---|
| 79.0 | 8.0 | 75.0 |
CONNECTING ROD
| Conrod | Conrod Bolt | Conrod Bearing | Material | ||||
|---|---|---|---|---|---|---|---|
|
Length (mm) |
L.Diam×Length (mm) |
S.Diam×Length (mm) |
Bolt Size |
Height Under Neck (mm) |
Inner Circum (mm) |
Bearing Width (mm) |
|
| 130.5 | φ55×21.4 | φ23×21.4 | 3/8-24 | 40 | 52 | 16.5 | SNCM439 |
Compression Ration Specs
| Bore | φ99.75 | |
|---|---|---|
|
Gasket Thickness (mm) |
0.7 | 8.7 |
| 1.0 | 8.5 | |
| 1.2 | 8.3 | |
| 1.5 | 8.1 | |
| Gasket Bore | 101.2 | |
DATA
Displacement Comparison
| EJ20 STD | TOMEI EJ22KIT | TOMEI EJ25KIT | TOMEI EJ26KIT | |
|---|---|---|---|---|
| BORE×STROKE | Φ92×75.0mm | Φ92.5×79.0mm | Φ99.75×79.0mm | Φ99.75×83.0mm |
| DISPLACEMENT | 1994cc | 2123cc | 2468cc | 2593cc |
KIT WITH BEARINGS INCLUDED
Tomei has made an option to include their Competition Bearing Series product with our kits. All the engine internals are brought to static temperature (20 degrees Celcius) and blueprinted with 0.040~0.060mm clearance bearings.This eliminates the measuring and blueprinting process for the customer, so the kit can be installed with less hassle.
