Diamond Racing Products · 38104-4
Part #: 38104-4
UPC: 193564405364
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Description: Piston Kit, Audi/Volkswagen, 2.0T FSI/TSI Gen 1-2, Set of 4; 82.50 mm Bore - -4.50 CC Volume - 1.165 in. Comp Height - Standard Pin
Description:
Description
Diamond's years of working alongside top sport compact race teams have helped generate an exceptionally robust line of sport compact pistons. Race proven designs are combined with precision CNC machining, strong 2618 forged aluminum, and premium Trend Performance wrist pins to deliver unmatched durability and performance. Whether you're looking more power, boost readiness, or chasing records and win lights on the racetrack, Diamond's mild-to-wild sport compact line is ready to help you get there. Don't see the exact part you need in our catalog' No problem, we can custom make you a piston to your exact specifications.
Features & benefits
- Over-sized valve pockets - for larger than stock valve sizes
- Premium 8620 .180W wrist pins chamfered for roundwire locks included
- Premium 1.0mm x 1.2mm x 2.8mm ring package included
- Gen 1-3 Applications
- 2618 material for High HP/Boost applications
- 3D milling on piston crowns for ready to install finish
- Offset pins for quiet operation
- Moly skirt coating for friction loss and skirt wear protection
- Side gas ports for better ring seal
- Ratios figured for 83.5mm x .035 head gasket @ 8.661 Deck Height
- Top ring down dimension: .250"
Information
Diamond Racing Products Piston Kit for Audi/Volkswagen 2.0T FSI/TSI Gen 1-2 82.5mm Bore x 92.8mm Stroke x 5.669 Rod x 1.165 Comp Height - Std Kit.
Application summary
| Year | Make / model |
|---|---|
| 2025-2026 | Audi A3 |
| 2025-2026 | Cupra Formentor |
| 2026 | Volkswagen Jetta |
Specifications
- GTIN
- 00193564405364
- Weight
- 10 lb
- Height
- 4 in
- Length
- 16.5 in
- Width
- 12 in
- EO
- Offroad
- Life cycle
- Available to Order
- AAM brand code
- DRP
- Warehouse brand code
- DRP
- AAIA brand code
- BJBX
Attributes
- Add-On
- 015126-8
- Bore Diameter
- 82.50
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Category Hierarchy
- Pistons
- Compression Height
- 1.165
- Compression Ratio
- 10.00
- Cylinder Quantity
- 4
- EBAY Category ID
- 33623
- Engine
- 2.0T FSI/TSI Gen 1-2
- Engine - Web
- 2.0T FSI/TSI Gen 1-2
- Engine Detail - Web
- 2.0T FSI/TSI Gen 1-3
- Engine Type
- ICE
- Industry
- Automotive
- Make
- VW
- Make - Web
- VW
- Oil Rail Support Included
- No
- Oil Ring Thickness
- 2.80
- Piston Line Series
- Street/Strip Series
- Piston Pin Included
- Yes
- Piston Pin Length
- 2.250
- Piston Pin Outside Diameter
- 0.787
- Piston Pin Part Number
- G7872250180C
- Piston Ring Part Number
- 9513248
- Piston Rings Included
- Yes
- Piston Series
- 2.0T FSI/TSI Gen 1-2
- Piston Volume
- -4.50
- Product Market
- Sport Compact
- Product Type
- Engine Piston Kit
- Retainer Lock Included
- Yes
- Retainer Lock Part Number
- 015126-8
- Ring Set Included
- Yes
- Ring Set Part Number
- 09513248
- Ring Set Thickness
- 1.00 MM x 1.20 MM x 2.80 MM
- Rod Length
- 5.669
- Second Compression Ring Thickness
- 1.20
- Stroke
- 92.80
- Title
- Audi/Volkswagen 2.0T FSI/TSI Gen 1-2 82.5mm Bore x 92.8mm Stroke x 5.669 Rod x 1.165 Comp Height; Std Kit
- Title - Web
- Diamond Pistons VW/Audi 2.0T FSI/TSI Piston Kit
- Top Compression Ring Thickness
- 1.00
- VP Exhaust Depth
- 0.095
- VP Intake Depth
- 0.125
- Wrist Pin Dimensions
- 0.787 x 2.250
- Wrist Pin Included
- Yes
- Wrist Pin Length
- 2.250
- Wrist Pin Outside Diameter
- 0.787
- Wrist Pin Part Number
- G7872250180C
- Wrist Pin Retainer Included
- Yes
- Wrist Pin Retainer Part Number
- 015126-8
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
2025-2026 Audi A3; 2025-2026 Cupra Formentor; 2026 Volkswagen Jetta
Resources
Diamond Racing Products 38104-4
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