4.1 J/E Pistons

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Jicaju

Jicaju
Joined
Feb 10, 2005
Messages
774
I have a set of used 4.1 J/E Pistons and pins for sale. Bore size is 4.006. They were made for 6.35 rods and 3.625 crank. Spec sheet is in pictures. They have about 1200 miles on them. $400.00 plus shipping ad 3% for paypal.

Michael
 

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Interested in pistons. What is the compression height? Can you provide additional info regarding what rings needed, what head cc and compression ratio attained with these pistons.
 
Compression hieght is 1.343. Rings are as follows top requires 1/16 ring, middle requires 1/16 ring, third (oil ring) 3/16. On my set-up my heads were 41 cc with a .040 head gasket my comperssion ratio was 8.55:1. This info besides compression ratio is on sheet in pictures but it was printed lightly and is hard to see on pictures. If you would like you can call me at 336-682-3232

Thanks Michael
 
Since the rods c to c is 6.35", what machining is necessary to the block in order to install them and the crank? What is the reasoning behind using this rod lenght over the stock 5.960"? Will you accept Postal Money Order?
 
No machining necessary to block. The reason for longer rod is it give more dwell time at top of stroke which makes more power. Yes I will take a postal money order. I will PM you my phone number.

Michael
 
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