Engine Kits

Speed-Pro Hypereutectic Flat Top 2 Valve Reliefs Piston 4.000 x 3.480
Sealed Power Pistons

Speed-Pro Hypereutectic Flat Top 2 Valve Reliefs Piston 4.000 x 3.480



Part #: H140CL
List Price: $76.65
Our Price: $37.85
You Save: $38.80

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350 BASED eng. (4.000 bore x 3.480 Stroke) 6" Rod, CNC Machined, Lightweight, press or floating pin,coated skirt. Pistons sold in sets of 8, price shown is each

Ring dimensions 1/16, 1/16, 1/8
Flat Top; 2 valve reliefs
Compression dist 1.260
Deck Clearance .025
Skirt Clearance .0015
For use with 6" Rods

Compression ratio by CYL head CC

Part
number

CID

58.0cc

60.5cc

64.cc

68.cc

72.cc

76.cc

H140CL

350

10.28

9.99

9.61

9.21

8.85

8.52

H140CL20

353

10.36

10.07

9.69

9.29

8.93

8.60

H140CL30

355

10.41

10.11

9.73

9.33

8.97

8.63

H140CL40

357

10.45

10.15

9.77

9.37

9.00

8.67

H140CL60

361

10.54

10.24

9.85

9.45

9.08

8.74

Required Options:
*Please pick your piston size: