Engine Kits

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

Sealed Power Hypereutectic Flat Top 4 Valve Reliefs Piston



Part #: H345DCP
List Price: $191.84
Our Price: $95.92
You Save: $95.92

Availability: In Stock

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350 BASED engine (4.000 bore x 3.480 Stroke) press or floating pin, coated skirt. Pistons sold in sets of 8,


Sealed Power® Digital Diamond Profiled™ Pistons are perfect for engine builders looking for ways to build a cleaner-burning, longer-lasting vintage Chevy SB engine. This advanced piston technology lets rebuilders equip this popular engine with the ultimate in modern piston materials and engineering – while still keeping that classic engine “classic.” Sealed Power

DDP Pistons feature:

 DDP™ Technology: Digital actuated diamond turning process produces precision skirt profiles.

  • Barrel profile: Creates an oil wedge between the skirt and cylinder wall.
  • Thermal Arching Compensation™ (TAC) Ring Groove Geometry: Machined uptilt offsets thermal “arching” distortion; squares the ring face to the cylinder.
  • Next generation DUROSHIELD® coating: Reduces friction and wear.
  • Precision-machined pin bores: Accommodate fixed or floating wrist pin installation.
  • Can be used as full floating assembly. You must purchase 16 of LR63 lock rings.
  • Specify your size below.


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

WH345ACP - CAST PISTON

Compression ratio by CYL head CC

Part
number

CID

58.0cc

64.cc

68.cc

72.cc

76.cc

H345DCP

350

9.85

9.24

8.88

8.55

8.24

H345DCP20

353

9.93

9.31

8.95

8.61

8.31

H345DCP30

355

9.97

9.35

8.99

8.65

8.34

H345DCP40

357

10.01

9.39

9.02

8.68

8.37

H345DCP60

361

10.09

9.46

9.09

8.75

8.44

 

Required Options:
*Bore Size Requirement:
Std Size
.020 Oversize Bore
.030 Oversize Bore
.040 Oversize Bore
.060 Oversize Bore
Upgrade Options:
Add Moly Ring Set:
Add Perfect Circle Moly Ring Set 40564cp to match pistons $28.90
Overhaul Gasket Set:
Add Fel Pro Overhaul Gasket Set to 1980 260-1000 $41.99
Add set of Lock Rings for full floating Use:
16-Lock Rings for Floating Pins LR63. These pistons will accomodate bushed rods, however, the lock rings must be purchased seperately. $31.84
Add New Connecting Rods!:
Add set of New Scat Rods for Pressed Pin $213.99
Add set of New bushed Scat Rods for floating Pin $244.99

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LR63 Sealed Power LR63 Piston Lock Rings $1.99