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Tomei Japan RB28 Stroker Kit 86.5mm With Bearings
Special Price
£3,458.70
£2,882.25
Regular Price
£3,843.00
Lead Time: 2-3 Weeks
SKU
250001
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You'll experience dramatical changes in the RB26 with just the increase of 200cc in displacement. Superior response throughout, with just the slight changes in the throttle. Big torque with an overhwelming feeling of acceleration. Allows more room to grow with the ability to leverage the potential of larger turbos. Made from forged alloy for added strength, with the precision that you'd expect from TOMEI. Uncomparable with standard parts, and best value for money. Even to this day, the RB26 is one of the most popular sports engine to tune. True to it's form, the TOMEI RB28 KIT completes this true race engine.
PRODUCT INFO
| PART | APPLICATION | BORE | P/N | NOTES | |
|---|---|---|---|---|---|
| With Recess Model | BNR32 BCNR33 BNR34 |
φ86.5 | 221028 | Option Extra: Titanium Top Coated Piston Rings | |
| φ87.0 | 221029 | ||||
| Without Recess Model | φ86.5 | 221022 | |||
| φ87.0 | 221023 |
【With Conrod Bearings Bundle Pack】
| PART | APPLICATION | BORE | P/N | NOTES | |
|---|---|---|---|---|---|
| With Recess Model | BNR32 BCNR33 BNR34 |
φ86.5 | 250013 | Option Extra: Titanium Top Coated Piston Rings | |
| φ87.0 | 250014 | ||||
| Without Recess Model | φ86.5 | 250001 | |||
| φ87.0 | 250002 |
* The conrod bearing option kit is supplied with the conrod bearings for the 1 engine application.
FEATURE / SPEC
SPEC
PISTON
| Bore (Φ) |
Pin Dia (Φ) |
Length (mm) |
Recess | Comp.Height (mm) |
PistonCrownVolume (cc) |
Weight (g) |
Pin weight (g) |
Total weight (g) |
|---|---|---|---|---|---|---|---|---|
| 86.5 | 21.0 | 60 | ○ | 30.0 | -11.2 | 363 | 106 | 469 |
| × | -13.0 | 365 | 471 | |||||
| 87.0 | ○ | -11.2 | 371 | 477 | ||||
| × | -13.0 | 373 | 479 |
| Top ring B×T(mm) | Second ring B×T(mm) | Oil ring B×T(mm) |
|---|---|---|
| 1.2×3.1 | 1.2×3.9 | 2.5×3.1 |
CRANKSHAFT
| Stroke (mm) | Weight (kg) | STD Stroke (mm) |
|---|---|---|
| 77.7 | 20.0 | 73.7 |
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) |
|
| 119.5 | φ51×21.8 | φ21×21.8 | 3/8-24 | 40 | 48 | 17.0 | SNCM439 |
Compression Ration Specs
| Bore | φ86.5 | φ87.0 | |||
|---|---|---|---|---|---|
| Valve Recess | Without | With | Without | With | |
| Piston Crown Volume(cc) | -13.0 | -11.2 | -13.0 | -11.2 | |
| Gasket Thickness (mm) |
1.0 | 9.0 | 8.7 | 9.0 | 8.8 |
| 1.2 | 8.8 | 8.6 | 8.9 | 8.6 | |
| 1.5 | 8.6 | 8.3 | 8.6 | 8.4 | |
| 1.8 | 8.3 | 8.1 | 8.4 | 8.2 | |
| 2.0 | 8.2 | 8.0 | 8.3 | 8.1 | |
| Gasket Bore | 87.5 | 88.0 | |||
DATA
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.
| Vehicle / Engine Manufacturer | Nissan |
|---|---|
| Product Brand | Tomei Japan |
| Part Type | Stroker Kit |
| Manufacturer | Nissan |
| Model | Skyline, Stagea |
| Variant | R32, R33, R34, WC34 |
| Lead Time | 2-3 Weeks |
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