Engine Kits

Sealed Power Hypereutectic Flat Top 4 Valve Reliefs Piston
Sealed Power Pistons

Sealed Power Hypereutectic Flat Top 4 Valve Reliefs Piston



Part #: H534CP
List Price: $49.53
Our Price: $24.46
You Save: $25.07

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305 BASED eng. (3.736 bore x 3.480 Stroke) press pin, coated skirt. Pistons sold in sets of 8, price shown is each.

Ring dimensions 5/64, 5/64, 3/16
Flat Top; 4 valve reliefs
Compression dist 1.560
Deck Clearance .025
Skirt Clearance .0010

Compression ratio by CYL head CC

Part
number

CID

58.0cc

60.5.cc

64.cc

68.cc

72.cc

76.cc

H534CP

305

8.84

8.60

8.29

7.96

7.67

7.39

H534CP20

309

8.91

8.67

8.36

8.03

7.73

7.46

H534CP30

310

8.95

8.71

8.39

8.06

7.76

7.49

H534CP40

312

8.99

8.74

8.43

8.10

7.80

7.52

H534CP60

315

9.06

8.82

8.50

8.17

7.86

7.58

Can also be used to build a 334CID (.030 over) Stroker engine.
3 3/4" Stroker with 400 crank and rods.  
Balancing is recommended on ALL stroker engines.

Compression ratio by CYL head CC

Part
number

CID

58.0cc

60.5.cc

64.cc

68.cc

72.cc

76.cc

H534CP

329

9.44

9.19

8.85

8.50

8.18

7.89

H534CP20

333

9.52

9.27

8.93

8.58

8.25

7.96

H534CP30

334

9.57

9.31

8.97

8.61

8.29

7.99

H534CP40

336

9.61

9.35

9.01

8.65

8.32

8.03

H534CP60

340

9.69

9.43

9.08

8.72

8.39

8.09

 

 

Required Options:
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