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400 / 440 WEDGE FLAT TOP

These pistons feature a completely new design configuration that will accommodate intake valve diameters of up to 2.250". Valve reliefs have been machined to accept long duration, tight lobe separation cam profiles and ring grooves are machined for 1/16, 1/16, 3/16 rings. These pistons are available with either .990" or 1.094" diameter wrist pins (see footnotes).

Includes:
990-2930-15-51S (150g) pins & 990-042-CS double spiro locks (note E)
094-2930-15-51S (170g) pins & 094-037-CS double spiro locks (note H)
400 Series
Std Bore: 4.342
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!

Tech and Installation Tips
Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
73cc 80cc 90cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
213460 499 4.375 4.150 6.766 9.954 1.113 12.5 11.7 10.7 -5.0 481 E,M 0.033 J10008-4375-5


440 Series
Std Bore: 4.320
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
73cc 80cc 90cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
213462 493 4.350 4.150 6.766 10.699 1.858 12.5 11.7 10.7 -5.0 613 E,M 0.030 J10008-4350-5
213463 499 4.375 4.150 6.766 10.699 1.858 12.5 11.7 10.7 -5.0 625 E 0.055 J10008-4375-5
213466 446 4.350 3.750 6.766 10.699 2.058 11.5 10.7 9.8 -5.0 636 H,M 0.030 J10008-4350-5
213467 446 4.350 3.750 6.766 10.699 2.058 11.5 10.7 9.8 -5.0 653 E,M 0.030 J10008-4350-5

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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