Engine Kits

Hypereutectic Flat Top 4 Valve Reliefs Piston 302 Based Engine
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Sealed Power Pistons

Hypereutectic Flat Top 4 Valve Reliefs Piston 302 Based Engine



Part #: H273CP
List Price: $31.62
Our Price: $15.61
You Save: $16.01

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302 BASED eng. Flat Top (4.000 bore x 3.000 Stroke) press pin, coated skirt 1968-72  and 1977 and later with a 8.206 Deck Height.  Pistons sold in sets of 8, price shown is each. You must place 8 Pistons in your cart to receive this price.

Ring dimensions 5/64, 5/64, 3/16
Flat Top; 4 valve reliefs
Compression dist 1.605
Deck Clearance .011
Skirt Clearance .0015

Piston made w/high strength alloy &silicon for excellent strength & scuff resistance. This advance combination allows tighter bore and improves sealing for less blow-by. Higher strength than cast, designed to retain standard ring gaps in top groove.

DUROSHIELD® skirt coated piston

Moly-graphite coating, Extends engine life; Reduces friction for higher fuel economy and prevents damage from inadequate lubrication on start-up; Eliminates scuffing and wear; Helps improve cylinder sealing for less blow-by

 

Compression ratio by CYL head CC

Part
number

 CID

54.5cc

58.2cc

60.4cc

63.cc

69.cc

H273CP

302

9.36

8.96

8.74

8.50

7.99

H273CP20

305

9.44

9.04

8.82

8.57

8.06

H273CP30

306

9.49

9.08

8.86

8.61

8.09

H273CP40

307

9.53

9.12

8.90

8.65

8.13

H273CP60

311

9.61

9.20

8.97

8.72

8.20

Required Options:
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