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 24-7

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Call toll free to order at 1-866-700-5877 or
Contact us anytime 24-7 or use the Order Form for questions and to check stock.

Chevrolet Small Block

350 / 400 18º FLAT TOP
  • These pistons feature JE’s race-proven low friction skirt design and are compatible with angle milled heads.
  • 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.
  • Will not fit Brodix 18x cylinder heads.

400 Series Includes:
Pin #927-2950-15-51S $18.01 (140g)
.073 alloy spiro lock #927-073-AS
Double Pin Oilers
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

190422 $1,190.67

357

4.030

3.500

6.000

9.000

1.250

11.9

11.4

10.9

-6.0

448

A,M

0.030

J100F8-4030-5 $218.22

190423 $1,190.67

359

4.040

3.500

6.000

9.000

1.250

11.9

11.4

10.9

-6.0

449

A,M

0.040

J100F8-4040-5 $218.22


 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

181951 $1,190.67

428

4.125

4.000

6.000

9.000

1.000

14.0

13.4

12.9

-6.0

422

B

STD

J10008-4125-5 $250.76

181953 $1,190.67

430

4.135

4.000

6.000

9.000

1.000

14.0

13.4

12.9

-6.0

428

B,M

0.010

J10008-4135-5 $250.76

181954 $1,190.67

432

4.145

4.000

6.000

9.000

1.000

14.1

13.5

13.0

-6.0

432

B

0.020

J10008-4145-5 $250.76

181955 $1,190.67

434

4.155

4.000

6.000

9.000

1.000

14.1

13.5

13.0

-6.0

436

B

0.030

J10008-4155-5 $250.76

181956 $1,190.67

436

4.165

4.000

6.000

9.000

1.000

14.2

13.7

13.1

-6.0

442

B

0.040

J10008-4165-5 $250.76

181957 $1,190.67

414

4.125

3.875

6.000

9.000

1.062

13.6

13.1

12.6

-6.0

440

B

STD

J10008-4125-5 $250.76

181958 $1,190.67

415

4.130

3.875

6.000

9.000

1.062

13.6

13.1

12.6

-6.0

437

B

0.005

J10008-4130-5 $250.76

181960 $1,190.67

420

4.155

3.875

6.000

9.000

1.062

13.7

13.2

12.7

-6.0

449

B

0.030

J10008-4155-5 $250.76

181961 $1,190.67

422

4.165

3.875

6.000

9.000

1.062

13.8

13.3

12.8

-6.0

454

B,M

0.040

J10008-4165-5 $250.76

243033 $1,190.67

401

4.125

3.750

6.000

9.000

1.125

13.2

12.7

12.2

-6.0

433

B,M

STD

J10008-4125-5 $250.76

243037 $1,190.67

407

4.155

3.750

6.000

9.000

1.125

13.3

12.8

12.3

-6.0

446

B

0.030

J10008-4155-5 $250.76

243038 $1,190.67

409

4.165

3.750

6.000

9.000

1.125

13.4

12.9

12.3

-6.0

451

B,M

0.040

J10008-4165-5 $250.76

A fits 3.480 and 3.500 stroke
B Oil Rail Support is Included
M Made To Order

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