J.E. Forged Domed Pistons & Rings for Chevrolet 18 degree 350/400 Small Block

J.E. Pistons High Performance

Street Strip Race

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877

Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need

Order Form

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Call toll free to order at 1-866-700-5877 or

Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need

or use the Order Form for questions and to check stock.

Chevrolet
Small Block Forged Pistons & Rings

350 18º DOME

These pistons are perfect for your high-compression 17º/18º engine, with smooth flowing domes for optimum flame travel and angle milled head compatibility.
Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams.
Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.
These pistons utilize dedicated left and right hand forgings.

Includes:
Pin #927-2750-15-51S $18.01 (130g)
Double spiro locks (#927-042-CS), unless noted
Double Pin Oilers
Contact Reduction Grooves

350 Series Std Bore: 4.000 Ring package designed for: 1/16, 1/16, 3/16 Rings

Part #
Your Cost
CID
Bore
Stroke
Rod Lgth.
Block Ht.
Comp. Ht.
Head Cubic Centimeters
Comp Ratio
52---55--58
Dome Vol.
Gram Wt.
Foot
note
Over
size
Recom. Ring Set

181965 $1,190.67
357
4.030
3.500
6.000
9.000
1.250
13.6
13.0
12.4
3.0
462
A,M
0.030
J10008-4030-5 $213.11

Foot Notes:
A fits 3.480 and 3.500 stroke
M Made To Order

400 SMALL BLOCK 18º DOME

These pistons feature our newer dome profile to match a wider variety of 18º heads.

Designed to fit your high-compression, high horsepower 17º/18º dirt late model engine,
these pistons have smooth flowing domes for optimum flame travel and angle milled head compatibility.
New valve reliefs will accommodate larger valves and long duration, tight lobe separation cams.
These pistons utilize dedicated left and right hand forgings and accept 1/16, 1/16, 3/16 rings.
Will not fit Brodix 18x cylinder heads.

Includes:
Pin #927-2750-15-51S $18.01 (130g)
Contact reduction grooves
Heavy Duty single .073 spiro lock (#927-073-AS)
Double pin oilers

400 Series Std Bore: 4.125 Ring package designed for: 1/16, 1/16, 3/16 Rings\ 1.000" Compression height pistons not intended for nitrous use.

Part #
Your Cost
CID
Bore
Stroke
Rod Lgth.
Block Ht.
Comp. Ht.
Head Cubic Centimeters
Comp Ratio
52---55--58
Dome Vol.
Gram Wt.
Foot
note
Over
size
Recom. Ring Set

213103 $1,298.61
400
4.125
4.000
6.000
9.000
1.000
15.9
15.2
14.5
2.5
441
S,B
STD
J10008-4125-5 $250.76

213104 $1,190.67
429
4.130
4.000
6.000
9.000
1.000
15.9
15.2
14.5
2.5
440
S,B
0.005
J10008-4130-5 $250.76

213105 $1,298.61
430
4.135
4.000
6.000
9.000
1.000
15.9
15.2
14.5
2.5
434
S,B,M
0.010
J10008-4135-5 $250.76

213106 $1,298.61
432
4.145
4.000
6.000
9.000
1.000
16.0
15.3
14.6
2.5
443
S,B
0.020
J10008-4145-5 $250.76

213107 $1,136.14
434
4.155
4.000
6.000
9.000
1.000
16.0
15.3
14.6
2.5
445
S,B
0.030
J10008-4155-5 $250.76

213108 $1,136.14
434
4.165
4.000
6.000
9.000
1.000
16.1
15.4
14.7
2.5
450
S,B
0.040
J10008-4165-5 $250.76

213109 $1,190.67
414
4.125
3.875
6.000
9.000
1.062
15.4
14.7
14.1
2.5
450
S,B
STD
J10008-4125-5 $250.76

213110 $1,190.67
416
4.135
3.875
6.000
9.000
1.062
15.4
14.7
14.1
2.5
452
S,B
0.010
J10008-4135-5 $250.76

213111 $1,190.67
418
4.145
3.875
6.000
9.000
1.062
15.4
14.7
14.1
2.5
460
S,B
0.020
J10008-4145-5 $250.76

213112 $1,190.67
420
4.155
3.875
6.000
9.000
1.062
15.6
14.9
14.2
2.5
463
S,B
0.030
J10008-4155-5 $250.76

213113 $1,298.61
406
4.125
3.800
6.000
9.000
1.100
15.1
14.4
13.8
2.5
455
S,B,M
STD
J10008-4125-5 $250.76

213116 $1,298.61
410
4.145
3.800
6.000
9.000
1.100
15.1
14.4
13.8
2.5
466
S,B
0.020
J10008-4145-5 $250.76

213117 $1,298.61
412
4.155
3.800
6.000
9.000
1.100
15.3
14.6
14.0
2.5
470
S,B,M
0.030
J10008-4155-5 $250.76

213118 $1,190.67
401
4.125
3.750
6.000
9.000
1.125
14.9
14.3
13.7
2.5
463
S,B
STD
J10008-4125-5 $250.76

213119 $1,298.61
402
4.130
3.750
6.000
9.000
1.125
14.9
14.3
13.7
2.5
461
S,B,M
0.005
J10008-4130-5 $250.76

213120 $1,298.61
403
4.135
3.750
6.000
9.000
1.125
14.9
14.3
13.7
2.5
464
S,B
0.010
J10008-4135-5 $250.76

213121 $1,298.61
405
4.145
3.750
6.000
9.000
1.125
15.1
14.4
13.8
2.5
469
S,B
0.020
J10008-4145-5 $250.76

213122 $1,190.67
407
4.155
3.750
6.000
9.000
1.125
15.1
14.4
13.8
2.5
478
S,B
0.030
J10008-4155-5 $250.76

213123 $1,190.67
409
4.165
3.750
6.000
9.000
1.125
15.2
14.5
13.9
2.5
479
S,B
0.040
J10008-4165-5 $250.76

213124 $1,298.61
387
4.125
3.625
6.000
9.000
1.187
14.5
13.9
13.3
2.5
468
S,B,M
STD
J10008-4125-5 $250.76

213125 $1,298.61
388
4.130
3.625
6.000
9.000
1.187
14.5
13.9
13.3
2.5
470
S,B,M
0.005
J10008-4130-5 $250.76

213127 $1,298.61
374
4.125
3.500
6.000
9.000
1.250
14.3
13.6
13.1
3.5
487
S
STD
J10008-4125-5 $250.76

213128 $1,298.61
375
4.130
3.500
6.000
9.000
1.250
14.3
13.6
13.1
3.5
490
M,S
0.005
J10008-4130-5 $250.76

213129 $1,298.61
376
4.135
3.500
6.000
9.000
1.250
14.3
13.6
13.1
3.5
492
M,S
0.010
J10008-4135-5 $250.76

Foot Notes:
B Oil Rail Support is Included
M Made To Order
S Solid dome design

400 SMALL BLOCK GP (GAS PORTED) 18º DOME

The same design as the Small Block 18º dome pistons, but equipped with lateral gas ports and machined for our new Pro Steel rings with 1.2, 1.5, 3mm axial thickness and backcut radial widths.
Will not fit Brodix 18x cylinder heads.

Includes:
Pin #927-2750-15-51S $18.01 (130g)
Single Spiro locks #927-073-AS
Lateral Gas Ports
Double Pin Oilers

18º GP SERIES
Std Bore: 4.125
Ring package designed for: 1.2, 1.5 3MM Rings
1.000" Compression height pistons not intended for nitrous use.

Part #
Your Cost
CID
Bore
Stroke
Rod Lgth.
Block Ht.
Comp. Ht.
Head Cubic Centimeters
Comp Ratio
50---54--58
Dome Vol.
Gram Wt.
Foot
note
Over
size
Recom. Ring Set

218595 $1,298.61 428 4.125 4.000 6.000 9.000 1.000 15.9 15.2 14.5 2.5 444 S,B,M STD J75008-4125-5 $447.12

218594 $1,298.61 414 4.125 3.875 6.000 9.000 1.062 15.4 14.7 14.1 2.5 454 S,B STD J75008-4125-5 $447.12

218592 $1,298.61 406 4.125 3.800 6.000 9.000 1.100 15.1 14.5 13.8 2.5 464 S,B,M STD J75008-4125-5 $447.12

218593 $1,298.61 401 4.125 3.750 6.000 9.000 1.125 14.9 14.3 13.7 2.5 466 S,B,M STD J75008-4125-5 $447.12

Foot Notes:
B Oil Rail Support is Included
M Made To Order
S Solid dome design

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HOME

Engine Rebuild & Assembly	Balancing & Blueprinting	Cylinder Heads
Engine Rebuild Kits	Engine Start-up	Other Related Web Sites Page 1
Crankshafts	Degree Cam	Other Related Web Sites Page 2
Purchase warranty & Return Information	About the owner of RPM	Frequently Asked Questions
MASTER ENGINE REBUILD KITS & PARTS

Part # Your Cost	CID	Bore	Stroke	Rod Lgth.	Block Ht.	Comp. Ht.	Head Cubic Centimeters Comp Ratio 52---55--58			Dome Vol.	Gram Wt.	Foot note	Over size	Recom. Ring Set
181965 $1,190.67	357	4.030	3.500	6.000	9.000	1.250	13.6	13.0	12.4	3.0	462	A,M	0.030	J10008-4030-5 $213.11