
|
Product detailed specification |
|
|
Model number |
HEVN-100F |
|
Head diameter |
28.00mm |
|
Stem diameter |
5.45mm |
|
Length |
102.50mm |
|
Material |
Black nitrited stainless steel |
|
Fits for |
Honda B16A B17A B18C |

|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 45.001 / 44.981 | ||||||
| Housing | 48.001 / 48.019 | ||||||
| Max Wall | 1.499 | ||||||
| Max Length | 18.499 |

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| Half Type | Upper & Lower |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.1646in / 54.98mm |
| Max. Std Shaft Size | 2.1654in / 55mm |
| Min. Std Tunnel Size | 2.3228in / 59mm |
| Max. Std Tunnel Size | 2.3236in / 59.02mm |
| Max Wall at Crown | 0.0788in / 2.002mm |
| Max Overall Length | 0.7874in / 20mm |
| Weight | 0.285 |
| Notes | 0 |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1956H |
4B1956HX |
|
| 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 |
1.7709in / 44.98mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8906in / 48.02mm |
|
| Max Wall at Crown |
0.0592in / 1.504mm |
0.0587in /1.491 mm |
| Max Overall Length |
0.7283in / 18.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|

|
Product detailed specification |
|
|
Model number |
HEVI-1006F |
|
Head diameter |
30.00mm |
|
Stem diameter |
5.45mm |
|
Length |
106.45mm |
|
Material |
Inconel |
|
Fits for |
Honda H22A / H22A4 |

|
Product detailed specification |
|
|
Model number |
HEVN-1021D |
|
Head diameter |
30.50mm |
|
Stem diameter |
5.45mm |
|
Length |
108.65mm |
|
Material |
Black nitrited stainless steel |
|
Fits for |
Honda K20 K24 |

|
Product detailed specification |
|
|
Model number |
HEVN-1020D |
|
Head diameter |
30.00mm |
|
Stem diameter |
5.45mm |
|
Length |
108.65mm |
|
Material |
Black nitrited stainless steel |
|
Fits for |
Honda K20 K24 |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1925H |
4B1925HX |
|
| 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 |
1.7707in / 44.976mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8898in / 48mm |
|
| Max Wall at Crown |
0.0591in / 1.502mm |
0.0586in /1.489mm |
| Max Overall Length |
0.6890in / 17.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|

|
Product detailed specification |
|
|
Model number |
HEVI-1021D |
|
Head diameter |
30.50mm |
|
Stem diameter |
5.45mm |
|
Length |
108.65mm |
|
Material |
Inconel |
|
Fits for |
Honda K20 K24 |

Athena Racing 338 series multilayer steel (MLS) cylinder head gasket.
Athena MLS gaskets are designed to suit the requirements of today’s competition engines offering enhanced sealing compared to the OEM product.
The gaskets are assembled from 2-5 layers of high quality stainless and spring steels.
Part number: 338468R
Gasket thickness: 0.85mm
Bore size: 89.50mm
|
Part number starting with 338 |
|
|
Athena advantages |
|
|
Optimized radius embossing shape |
The round shape of the embossing increases sealing on cylinder bore, oil and cooling water passages and improves spring back strength |
|
Advanced stopper technology |
State of the technology enhances sealing pressure around the cylinder. Highest sealing properties in high power engines |
|
Coating technology |
Designed & engineered by Athena the special coating applied on steel surfaces, improves temperature resistance & reliability of the head gasket |

|
Product detailed specification |
|
|
Model number |
HEVI-1000 |
|
Head diameter |
28.00mm |
|
Stem diameter |
5.45mm |
|
Length |
102.50mm |
|
Material |
Inconel |
|
Fits for |
Honda B16A B17A B18C |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1956H |
4B1956HX |
|
| 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 |
1.7709in / 44.98mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8906in / 48.02mm |
|
| Max Wall at Crown |
0.0592in / 1.504mm |
0.0587in /1.491 mm |
| Max Overall Length |
0.7283in / 18.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|