Suspension system

Features:

84mm pistons updated with Oil Holes for better lubrication of Piston Pins, extend lifetime significantly.
with Piston Rings, Wrist Pin. Forged piston for BMW N20-N55 ,84mm CR10.2 :1 ,Pin :22

Piston Material:
4032 alloy forged, lower noise, higher tensile strength, lower thermal expansion coefficient.
High precision, 0.001 mm tolerance for pin hole, 0.005 mm tolerance for diameter, clearance between cylinder to skirt is 0.05-0.06 mm.

Engine : BMW N55

Materials: Forged 4032

Cylinder diameter (mm)   :84

Compression ratio :  Cr  10 .2  :1

Pin hole(mm): 22
Fits all models :  BMW N55 B30 335i 535i X5 F30 F80 3.0T

Description 

STD 0.00 spec (no fit cylinder expand)

Cylinder bore 84.00mm

Wrist Diameter Φ22mm

Wrist Length 54mm

Ring thickness 1st 1.2mm / 2nd 1.5mm / 3rd 2.0mm

Package includes Piston & Ring x6
 

XR AUTOMOTIVE INDUSTRY-We are professional in automotive products.

When many modification enthusiasts ask us, "How much horsepower can your pistons handle?", we'd like to share a core concept: *The horsepower limit of a piston is not a standalone number, but a systemic engineering outcome * .

Our two main forged piston alloys, **4032** and **2618**, are precisely designed as solutions for different goals.

** The All-Rounder: 4032 Aluminum Alloy Pistons**
** The Race Weapon: 2618 Aluminum Alloy Pistons**

**How to make the best choice for your needs?**

You can use this simple flowchart to guide your decision:
A[“Selecting Pistons for My Build”] --> B{“What is the primary use?”}
B --> C[“Street Driving / Durability First”]
B --> D[“Professional Racing / Max Power”]
C --> E[Recommended: 4032 Alloy The All-Rounder]
D --> F[Recommended: 2618 AlloyThe Race Weapon]

E & F --> G[“Contact Us<XR Aumotomotive Custom Pistons>Provide details for a suitable recommendation”]

Packaging: Neutral Packaging or Customized Packaging
Shipping: Sea/ Air Shipment/ Express

XR Automotive Industry Co., Ltd is a full-service auto parts provider for global aftermarket, with more than 20 years of industry experience. We are committed to providing customers with high-quality products and customized service to meet the needs of different customers. Our professional product series includes :
- Valve Lifter & Tappet
- Rocker Arm
- Camshaft
- Forged Connecting Rods
- Forged Pistons (Hot selling pistons  for Honda K20/K24 engine, Toyota 2JZ, Subaru FA20, Etc )

We can provide OEM/ODM service - simply provide drawings, samples or OE number. We can also mark your brand or logo free for you.
Our Professional teams, skilled staff, comprehensive supply chains and perfect after-sales service ensure us to provide clients high quality products with competitive prices.
We stick to the principle of "Quality Service First , Customer Happy, Continuous Improvement and Innovation to meet the customers" for the management and "Performance Quality, Zero Defects" as the quality objective. Our operational efficiency has fostered enduring partnerships with clients coving Asia, Europe, North and South America, Middle East and Africa.
We are always happy to provide value-added services that exceed customer expectations.

Welcome you to visit us and explore partnership together.

Q1. What is your sample policy?
A: For customized product ,we do can supply sample if we have parts in stock, but the customers need to pay shipping cost.

Q2. How about your delivery time?
A: If the goods are in stock , the delivery time is 3~5days. If the goods are not in stock , the delivery time is 30-60 days.

Q3. Can you produce according to the samples or technical drawings?
A: Yes, we can produce by your samples or technical drawings.

Q4. Do you test all your goods before delivery?
A: Yes, we have 100% inspection before delivery.

Q5. Why do you choose us?
A: Professional teams, skilled staff, comprehensive supply chains and perfect after-sales service ensure us to provide clients high quality products with competitive prices.
We stick to the principle of "Quality Service First , Customer Happy, Continuous Improvement and Innovation to meet the customers" for the management and "Performance Quality, Zero Defects" as the quality objective.

Warranty: 100% testing and 100,000 KMS or 12 months.