
|
Product detailed specification |
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|
Bore size |
86.50mm |
|
Stroke |
71.70mm |
|
Wiseco compression ratio (CR) |
8.4:1 |
|
OEM compression ratio (CR) |
9.0:1 |
|
Dome volume (CC) |
14cm3 |
|
Compression height (CH) |
31.50mm |
|
Pin diameter |
21mm |
|
Features |
Accepts Turbo and Nitrous |
|
Fits for |
Nissan Skyline 2.5 24V (RB25DET) |

| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | F781 |
| Min. Std Shaft Size | 47.956 |
| Max. Std Shaft Size | 47.974 |
| Min. Std Tunnel Size | 51.000 |
| Max. Std Tunnel Size | 51.013 |
| Max Wall at Crown | 1,503 |
| Max Overall Length | 17,1 |
| Weight | 0.22 |
| Notes | 0 |

| Sizes | STD, .025, .25, .50 |
| Oil Clearance | |
| Half Type | Upper & lower |
| Material | F780 |
| Min. Std Shaft Size | 54,951 mm / 2.1634 in |
| Max. Std Shaft Size | 54,975 mm / 2.1644 in |
| Min. Std Tunnel Size | 58,645 mm / 2.3089 in |
| Max. Std Tunnel Size | 58,658 mm / 2.3094 in |
| Max Wall at Crown | 1,827 mm / 0.0719 in |
| Max Overall Length |
26,95 mm / 1.0610 in (2428H(F))
20 mm / 0.7874 in (2429H)
|
| Notes | |
| Diagrams |
2428H-L (4)
![]() 2428H-U (4)
![]() 2429H-L (1,2,3,5,6,7)
![]() 2429H-U (1,2,3,5,6,7)
|

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Product detailed specification |
|
|
Model number |
NEVI-1030-7 |
|
Head diameter |
30.15mm |
|
Stem diameter |
6.94mm |
|
Length |
101.20mm |
|
Material |
Inconel |
|
Fits for |
Nissan Skyline - 2.6 24V (RB26DETT) |

|
Product detailed specification |
|
|
Model number |
NIVN-1030 |
|
Head diameter |
34.65mm |
|
Stem diameter |
5.97mm |
|
Length |
102.30mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
Nissan Skyline - 2.6 24V (RB26DETT) |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B2960H |
4B2960HX |
|
| 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 |
1.888in / 47.956mm |
|
| Max Std Shaft Size |
1.8887in / 47.974mm |
|
| Min Std Tunnel Size |
2.0079in / 51.000mm |
|
| Max Std Tunnel Size |
2.0084in / 51.013mm |
|
| Max Wall at Crown |
0.0592in / 1.503mm |
0.0587in / 1.490mm |
| Max Overall Length |
0.673in / 17.10mm |
|
| Notes | ||
|
Diagram |
![]() |
|
Engines Nissan - 2.0 (SR20DE, SR20DET (not GTiR))

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B2960H |
4B2960HX |
|
| 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 |
1.888in / 47.956mm |
|
| Max Std Shaft Size |
1.8887in / 47.974mm |
|
| Min Std Tunnel Size |
2.0079in / 51.000mm |
|
| Max Std Tunnel Size |
2.0084in / 51.013mm |
|
| Max Wall at Crown |
0.0592in / 1.503mm |
0.0587in / 1.490mm |
| Max Overall Length |
0.673in / 17.10mm |
|
| Notes | ||
|
Diagram |
![]() |
|
Engines Nissan - 2.0 (SR20DE, SR20DET (not GTiR))

| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M2964H |
5M2964HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.1636in / 54.956mm |
|
| Max Std Shaft Size |
2.1646in / 54.980mm |
|
| Min Std Tunnel Size |
2.3206in / 58.944mm |
|
| Max Std Tunnel Size |
2.3216in / 58.968mm |
|
| Max Wall at Crown |
0.0780in / 1.980mm |
0.0774in /1.967 mm |
| Max Overall Length |
0.752in / 19.10mm |
|
| Notes | ||
|
Diagram |
![]() |
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