
| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
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| Part# | ||
| 5M1538H |
5M1538HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-metal | |
| Min Std Shaft Size | 2.3611in / 59.971mm | |
| Max Std Shaft Size | 2.3618in / 59.990mm | |
| Min Std Tunnel Size | 2.5591in / 65.000mm | |
| Max Std Tunnel Size | 2.5598in / 65.019mm | |
| Max Wall at Crown | 0.0980in / 2.490mm | 0.0930in / 2.478mm |
| Max Overall Length |
0.787in / 20.00mm #1,2,4,5 0.982in / 24.94mm #3 thrust |
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| Notes | ||
|
Diagram |
|
|


| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M1538H |
5M1538HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-metal | |
| Min Std Shaft Size | 2.3611in / 59.971mm | |
| Max Std Shaft Size | 2.3618in / 59.990mm | |
| Min Std Tunnel Size | 2.5591in / 65.000mm | |
| Max Std Tunnel Size | 2.5598in / 65.019mm | |
| Max Wall at Crown | 0.0980in / 2.490mm | 0.0930in / 2.478mm |
| Max Overall Length |
0.787in / 20.00mm #1,2,4,5 0.982in / 24.94mm #3 thrust |
|
| Notes | ||
|
Diagram |
|
|

Spring info:
Seat pressure - 94lbs @ 35.70mm
Open (lift) pressure - 209lbs @ 10mm
Spring coil bind - 20.70mm
Rate - 11.50lbs/mm
Max lift - 15.00mm
Outer spring outer diameter - 29.65mm
Outer spring inner diameter - 21.85mm
Inner spring outer diameter - 20.50mm
Inner spring inner diameter - 15.50mm
Set includes:
Dual springs - 16 pcs. SPR-H1005D-BM
Titanium retainers - 16 pcs. RET-AU5VE-T1
Seats - 16 pcs. SEAT-BM60

Part number VS-VBM6I.
Supertech intake valve seal for 6mm valve stem.
For:
Opel / Vauxhall - 2.0 16V (Z20LET/LEH)
Audi / VW - 1.8T 2.4 2.7T 2.8 3.0 (5V/cyl.)
BMW - M42, S42, M50, M52, M54, S50 (USA), S52 (USA), S54

| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M1538H |
5M1538HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-metal | |
| Min Std Shaft Size | 2.3611in / 59.971mm | |
| Max Std Shaft Size | 2.3618in / 59.990mm | |
| Min Std Tunnel Size | 2.5591in / 65.000mm | |
| Max Std Tunnel Size | 2.5598in / 65.019mm | |
| Max Wall at Crown | 0.0980in / 2.490mm | 0.0930in / 2.478mm |
| Max Overall Length |
0.787in / 20.00mm #1,2,4,5 0.982in / 24.94mm #3 thrust |
|
| Notes | ||
|
Diagram |
|
|

Part number VS-VBM6E.
Supertech exhaust valve seal for 6mm valve stem.
For:
Opel / Vauxhall - 2.0 16V (Z20LET/LEH)
Audi / VW - 1.8T 2.4 2.7T 2.8 3.0 (5V/cyl.)
BMW - M42, S42, M50, M52, M54, S50 (USA), S52 (USA), S54

Outer diameter - 35.00mm
Inner diameter - 33.10mm
Outer height - 26.00mm
Stem length - 14.70mm
Stud diameter - 7.00mm
Weight - 50g
16 pcs. FCP Engineering racing mechanical solid lifters.
Forged steel, nitride hardened surface, HRC 50.
Installed follower height to camshaft must be adjusted with lash caps (not included).

Manufacturer: ACL Bearing Company
Part number: 4B1490H-STD
For BMW - 1.6 1.8 1.9 (M40, M42, M43, M44)


Manufacturer: ACL Bearing Company
Part number: 4B1490H-0.25
For BMW - 1.6 1.8 1.9 (M40, M42, M43, M44)

Athena Racing 330 series Cooper Ring cylinder head gasket set.
For specific high horsepower applications, engine performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.
Cooper Rings are oversize (also fits for oversize bores).
Part number: 330075R
Gasket thickness: 2.00mm
Bore size: 86.50mm
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Part number starting with 330 |
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Athena advantages |
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Reinforced material |
Asbestos free composite raw material OE approved |
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Stainless steel ring (AISI304) |
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required |
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Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |