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  JE Pistons - SB Chevy 350/400
350/400 Nitrous Series Dome
Includes:
Pistons, Pins, Double Spiro Locks

The ring lands, crown, and bottom band of these pistons are specifically designed for nitrous applications. The valve reliefs accommodate most oversized valves and long duration, wide lobe separation cams. Precision CNC
machined ring grooves accept 1/16, 1/16, 3/16 rings.

Also - New HNS (Hardened Nitrous Series) rings are available for this series (call to order 603.378.0090).
Part No.
(Click part #
for matching
piston rings)
Bore Stroke Rod
Length
C/H
Comp Ratio
58cc 64cc 76cc
Dome
Vol.
Foot
Notes
Grams Price
350 Series - Std. Bore: 4.000
232509 4.030 3.750 6.000 1.125
13.3 12.2 10.6
3.0 B, S 478 $806
232510 4.040 3.750 6.000 1.125
13.3 12.2 10.6
3.0 B, S 485 $806
232511 4.060 3.750 6.000 1.125
13.4 12.3 10.7
3.0 B, S 493 $806
173583 4.030 3.500 6.000 1.250
13.8 12.6 10.7
10.0 A, B 503 $763
173584 4.040 3.500 6.000 1.250
13.9 12.7 10.8
10.0 A, B, M 508 $763
194885 4.060 3.500 6.000 1.250
14.0 12.8 10.9
10.0 A, B, M 516 $786

400 Series - Std. Bore: 4.125

173585 4.145 3.750 6.000 1.125
13.9 12.8 11.1
3.0 B, S 521 $806
173586 4.155 3.750 6.000 1.125
13.9 12.8 11.1
3.0 B, S 524 $806
194952 4.165 3.750 6.000 1.125
14.0 12.8 11.0
3.0 B, S 530 $786
232508 4.125 3.750 6.000 1.145
13.9 12.8 11.1
3.0 B, S 524 $806
173587 4.145 3.500 6.000 1.250
14.0 12.8 11.0
8.0 A, B 536 N/A
173588 4.155 3.500 6.000 1.250
14.0 12.8 11.0
8.0 A, B 539 $762
194886 4.165 3.500 6.000 1.250
14.0 12.8 11.0
8.0 A, B 541 $786
Foot Notes:
A = fits 3.480 and 3.500 stroke
B = Oil Rail Support is included
M = made to order
S = Solid Dome Design