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Part number: 181942
Product Details
JE Pistons 181942 Pistons
Products specifications
Block Height 9
Bore 4.155
Bore (in) 4.155 in.
Bore (mm) 105.537mm
CID 380
Comp Height 1.25
Comp Ratio @ 58CC 11.7:1
Comp Ratio @ 64cc 10.9:1
Comp Ratio @ 76CC 9.6:1
Compression Distance (in) 1.250 in.
Dome Volume -5
Gram Weight 445
Notes 0.295 inch deep intake pocket.
Oversize 0.03
Pin Diameter (in) 0.927 in.
Piston Head Volume (cc) +5.00cc
Piston Material Forged aluminum
Piston Ring Thickness 1/16 in. x 1/16 in. x 3/16 in.
Piston Style Flat top, with two valve reliefs
Quantity Sold individually.
Rod 6
Stroke 3.5
Wrist Pin Style Press-fit or floating
JE Pistons
23deg Flat Top
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Recommended RingSet: J10008-4155-5

For over 60 years, JE Pistons has been the industry leader in forged racing pistons for Chevy, Ford, Mopar and Buick engines.

*Application Specific Forgings for an Optimized, Uniform Crown Thickness
*Contact Reduction Groove to Minimize Frictional Drag
*Accumulator Groove for Increased Top Ring Stability and Sealing
*CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
*Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included

JE Pistons are sold as matched sets.

Reviews
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R


Borgeson 000940

I found Autoplicity during a price search on the Borgeson steering shaft for my truck. I had never heard of them, and was a bit skepticle. But after doing some research, found that Autoplicity has a good reputation on a Jeep forum I visit.

I decided to order, and I am impresed. Extremely fast shipping, I placed my order on Saturday, and its now Monday before noon. I am holding the new part!
W
Great products and great pricing.  Fast shipping.  Couldn't ask for anything more.  A++++++ merchant.  Hope to do business with again.
C
Quick and easy.  Beat all other prices.I'd definitely use them again.
R
Great to deal with both online and over the phone. Buy with confidence.
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Fitment
Chevrolet 400 Small Block
1980 Chevrolet 400 Small Block ALL
1979 Chevrolet 400 Small Block ALL
1978 Chevrolet 400 Small Block ALL
1977 Chevrolet 400 Small Block ALL
1976 Chevrolet 400 Small Block ALL
1975 Chevrolet 400 Small Block ALL
1974 Chevrolet 400 Small Block ALL
1973 Chevrolet 400 Small Block ALL
1972 Chevrolet 400 Small Block ALL
1971 Chevrolet 400 Small Block ALL
1970 Chevrolet 400 Small Block ALL
Return Policy
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