Material of Engine Valves

Normal material: INLET VALVE IS SUH1(40Cr) ; EXHAUST VALVE IS SUH3(4Cr9Si2).

Good material: INLET VALVE IS SUH3(4Cr9Si2) ; EXHAUST VALVE IS SUH35(21-4N)

Technology

1.Forging blank

2.800 ~1200Centigrade high temperature treatment

3.The inlet end of high-frequency quenching hardness, improve the tail, tail HRC hardness up to 48 ° ~55°, reduce end fracture and shorten service life

4.Surface nitridation processing, processing depth 0.008mm, nitriding colored grey, rust and increase the

surface hardnes

if you have any inquiry, pls send message to

• youngstar@youngstarmotor.com
• youngstar@youngstarengine.com
• youngstarmotor@hotmail.com

                                                                  ABOUT US

- Provides quality products and the service, let the customer be satisfied

                                                                 Who are we ?

  Out there when most companies are busy expanding their complie and fancy product lines, making them look like they can do a lot of things that aren't professional, just to attract more customers and make more money. But our boss, Mr. Huang, on the other hand has been investing his expertise on 8 years of the Auto Engine Parts Field, so that we can provide much better and more professional service to our customers. At present, our company mainly focuses on auto engine parts business, and we are slowly expanding other auto parts business line to meet the needs of different customers.

                                                                  What we do

Main Vehicle Type:

SUV, MPV , 4X4 off-road vehicle，Pick-up，Light Truck，Van, Gasoline Car…etc

Our main products Including:

Bare Cylinder Head ; Complete Cylinder Head ;

Crankshaft ; Camshaft ; Connecting Rod

Engine Valve ; Full Engine Gasket Ste

Cylinder Head Assy Repair Kits :

Valve Spring ; Valve Retainer ; Valve Keeper ; Valve Seal ....etc

Our main Vehicle Type :

1. Hyundai H1 / H100 ; Santa Fe ; Starex ; Accent ; Getz ......

2. 4x4 Mitsubishi Pajero ; MITSUBISHI L200 ; L300 ...

3. Kia Sportage ; Rio ; Sorento ..

4. Toyota Hilux ; Land-Cruser ;Hiace ; Corolla...

5. Mazda BT-50 ; B2500 ...

6. IsuzuTrooper 4x4 ; Suzuki Jimny ; Suzuki Grand Vitara ; Suzuki-Samurai; Suzuki SJ 410 ;

7. Nissan Patrol ; Nissan Frontier ; Nissan X-Trail ; Nissan Patrol Y61.............etc

8. ; Fiat ; Volkswagen ; .......etc