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BMW 640i xDrive Piston Ring Sets

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PR856A Piston Ring Set - Direct Fit, Set
DNJ®
PR856A Piston Ring Set - Direct Fit, Set
Part Number: DNJPR856A
Vehicle Info Required to Guarantee Fit
$106.99
Product Details
Warranty : 1 year or 12,000-mile DNJ limited warrantyQuantity Sold : SetProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
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Product Questions & Answers

DNJ PR856A Piston Ring Set - Direct Fit, Set
$106.99
Q:Is this a set for all 6 pistons, or is this a set for one piston??
BigBlueBimmer
A:BEST ANSWERHi Nicholas, thank you for reaching out. I am happy to confirm that this is a set for all of the pistons. You can click the link below to order the set while stocks last. Have a good one! https://www.carparts.com/piston-ring-set/dnj/dnjpr856a?can=cpab2020_csqa_20230513 Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >

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How to Unseize Rusted Pistons
How to Unseize Rusted PistonsIf you’re wondering how to remove rust from your car’s engine, you might try using some vinegar. Vinegar is a very good solvent because it contains acetic acid, which dissolves rust.
What Is a Stroker Engine?
What Is a Stroker Engine?In the automotive context, a stroker refers to a type of engine modification where a professional increases your piston’s stroke length. When you increase the stroke, the piston travels further into the cylinder bore, resulting in increased engine displacement. While compression can be modified by changing the shape of the piston
Common Reasons Why Your Engine Oil Smells Like Gas
Common Reasons Why Your Engine Oil Smells Like GasHere are the common reasons why your car’s engine oil smells like gas: Piston Ring Blow-By