Diamond Racing Products · 21403-6
Part #: 21403-6
UPC: 193564387295
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Description: Piston Kit, Buick, 3.8L 231, Set of 6; 3.840 in. Bore - -29.50 CC Volume - 1.850 in. Comp Height - Standard Pin
Description:
Description
Diamond's Domestic line of pistons for Chevrolet, Ford, Chrysler, Pontiac, Oldsmobile, and Buick engines are focused on durability and performance. They are forged and machined 100% in the USA, utilize extremely strong 2618 aluminum and incorporate premium Trend Performance wrist pins. Each piston is purpose designed with the engine architecture in mind and covers popular bore sizes, strokes, and cylinder head configurations. Whether you're building a big block, small block or something a little less common, Diamond has you covered! 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
- 3D milling on piston crowns for ready to install finish
- Engineered for turbo applications
- Top ring down dimension: .280"
- Ratios figured for .040 head gasket @ 9.540 Deck
- Standard ring package 1/16 x 1/16 x 3/16 ring package
- Premium 8620 .155W wrist pins included
- Valve pocket depth: 0.158" intake and sym. exhaust
- Made from 2618 alloy
Information
Diamond Racing Products Piston Kit for Buick 3.8L 231 3.840 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height - Std Kit.
Application summary
| Year | Make / model |
|---|---|
| 2005-2009 | Buick Allure |
| 1978-1981 | Buick Century |
| 1984-1988 | Buick Century |
| 1985-1990 | Buick Electra |
| 2005-2009 | Buick LaCrosse |
| 1977-2005 | Buick LeSabre |
| 2006-2008 | Buick Lucerne |
| 1991-2005 | Buick Park Avenue |
| 1988-1991 | Buick Reatta |
| 1978-1987 | Buick Regal |
| 1990-2004 | Buick Regal |
| 1979-1993 | Buick Riviera |
| 1996-1999 | Buick Riviera |
| 1978-1980 | Buick Skyhawk |
| 1978-1979 | Buick Skylark |
Specifications
- GTIN
- 00193564387295
- Weight
- 14 lb
- Height
- 4 in
- Length
- 22 in
- Width
- 11 in
- EO
- Offroad
- Life cycle
- Available to Order
- AAM brand code
- DRP
- Warehouse brand code
- DRP
- AAIA brand code
- BJBX
Attributes
- Add-On
- 015103-12
- Bore Diameter
- 3.840
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Category Hierarchy
- Pistons
- Compression Height
- 1.850
- Compression Ratio
- 8.30
- Cylinder Quantity
- 6
- EBAY Category ID
- 33623
- Engine
- V6 Grand National
- Engine - Web
- V6 Grand National
- Engine Type
- ICE
- Industry
- Automotive
- Make
- Buick
- Make - Web
- Buick
- Oil Rail Support Included
- No
- Oil Ring Thickness
- 3/16
- Piston Average Weight
- 541
- Piston Avg Wt
- 541
- Piston Line Series
- Street/Strip Series
- Piston Pin Included
- Yes
- Piston Pin Length
- 2.750
- Piston Pin Outside Diameter
- 0.940
- Piston Pin Part Number
- G9402750155
- Piston Ring Part Number
- 9023840
- Piston Rings Included
- Yes
- Piston Series
- 3.8L Grand National
- Piston Volume
- -29.50
- Product Market
- Domestic
- Product Type
- Engine Piston Kit
- Retainer Lock Included
- Yes
- Retainer Lock Part Number
- 015103-12
- Ring Set Included
- Yes
- Ring Set Part Number
- 09023840
- Ring Set Thickness
- 1/16 IN x 1/16 IN x 3/16 IN
- Rod Length
- 5.960
- Second Compression Ring Thickness
- 1/16
- Stroke
- 3.400
- Title
- Buick 3.8L 231 3.840 Bore x 3.400 Stroke x 5.960 Rod x 1.850 Comp Height; Std Kit
- Title - Web
- Diamond Pistons Buick 3.8L 231 Piston Kit
- Top Compression Ring Thickness
- 1/16
- VP Exhaust Depth
- Symmetrical Exhaust
- VP Intake Depth
- 0.158
- Wrist Pin Dimensions
- 0.940 x 2.750
- Wrist Pin Included
- Yes
- Wrist Pin Length
- 2.750
- Wrist Pin Outside Diameter
- 0.940
- Wrist Pin Part Number
- G9402750155
- Wrist Pin Retainer Included
- Yes
- Wrist Pin Retainer Part Number
- 015103-12
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
2005-2009 Buick Allure; 1978-1981 Buick Century; 1984-1988 Buick Century; 1985-1990 Buick Electra; 2005-2009 Buick LaCrosse; 1977-2005 Buick LeSabre; 2006-2008 Buick Lucerne; 1991-2005 Buick Park Avenue; 1988-1991 Buick Reatta; 1978-1987 Buick Regal; 1990-2004 Buick Regal; 1979-1993 Buick Riviera; 1996-1999 Buick Riviera; 1978-1980 Buick Skyhawk; 1978-1979 Buick Skylark
Diamond Racing Products 21403-6
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