TOMEI NISSAN GTR RB28 STROKER KIT 87.0mm
: 221023
: NZD $7,720.37
TOMEI NISSAN GTR RB28 STROKER KIT 87.0mm
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.
FEATURE / SPEC
SPEC
PISTON
| Bore (Φ) |
Pin Dia (Φ) |
Length | 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 | |||||
| 87.0 (RB25 NEO) |
○ | -2.9 | 365 | 471 |
| 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 | φ87.0（RB25 NEO6) | |||
|---|---|---|---|---|---|---|
| Valve Recess | Without | With | Without | With | With | |
| Piston Crown Volume(cc) | -13.0 | -11.2 | -13.0 | -11.2 | -2.9 | |
| Gasket Thickness (mm) |
1.0 | 9.0 | 8.7 | 9.0 | 8.8 | |
| 1.2 | 8.8 | 8.6 | 8.9 | 8.6 | Approx. 9.0 | |
| 1.5 | 8.6 | 8.3 | 8.6 | 8.4 | Approx. 8.8 | |
| 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 | 88.0 | |||
PRODUCT INFO
| PART | APPLICATION | BORE | P/N | ||
|---|---|---|---|---|---|
| With Recess Model | RB26DETT RB25DET |
φ86.5 | 221028 | ||
| φ87.0 | 221029 | ||||
| Without Recess Model | φ86.5 | 221022 | |||
| φ87.0 | 221023 | ||||
| With Recess Model | RB25DET NEO6 | φ87.0 | 252009 |
【With Conrod Bearings Bundle Pack】
| PART | APPLICATION | BORE | P/N | ||
|---|---|---|---|---|---|
| With Recess Model | RB26DETT RB25DET |
φ86.5 | 250013 | ||
| φ87.0 | 250014 | ||||
| Without Recess Model | φ86.5 | 250001 | |||
| φ87.0 | 250002 | ||||
| With Recess Model | RB25DET NEO6 | φ87.0 | 250021 |
