Engine Kits

Sealed Power Hypereutectic .340 Dome 2 Valve Reliefs Piston
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Sealed Power Pistons

Sealed Power Hypereutectic .340 Dome 2 Valve Reliefs Piston



Part #: H581CP
List Price: $102.93
Our Price: $50.83
You Save: $52.10

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454 BASED; .340 Dome; 2 valve reliefs, 4.250 bore x 4.00 stroke, press or floating pin, coated skirts. Pistons sold in sets of 8, price shown is each.

Ring dimensions 5/64, 5/64, 3/16
Dome Shape; .340 Dome w/ 2 reliefs
Compression dist 1.640
Deck Clearance .025
Skirt Clearance .0015

Compression ratio by CYL head CC

Piston P/N CID 100.9 106.9 109.4 116.9 119.0 124.0

H581CP

454

11.67

10.99

10.73

10.02

9.84

9.44

H581CP20

458

12.15

11.41

11.13

10.37

10.18

9.75

H581CP30

461

12.20

11.46

11.17

10.41

10.22

9.79

H581CP40

463

12.25

11.50

11.22

10.45

10.26

9.83

H581CP60

467

11.96

11.25

10.98

10.26

10.08

9.66

H581CP100

476

12.54

11.78

11.49

10.70

10.51

10.06

Required Options:
*Please pick your piston size:

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