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KB Chevy 305 Hypereutectic Pistons, Flat Top, 5.7 Rod

Specs
Sold in Quantity:
Set
Piston Diameter:
-
Stroke:
3.48
Wrist Pin Diameter:
.9272
Piston Ring Style:
A
Connecting Rod Length:
5.700"
Piston Weight:
470
Wrist Pin Weight:
145
Piston Style:
Flat Top w/ 2 valve reliefs
Piston Material:
Hypereutectic Aluminum
Garage Sale:
No
Compression 58cc =:
10.0 : 1
Compression 64cc =:
9.3 : 1
Compression 76cc =:
8.2 : 1
KB Chevy 305 Hypereutectic Pistons, Flat Top, 5.7 Rod
KB Chevy 305 Hypereutectic Pistons, Flat Top, 5.7 Rod

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KB Chevy 305 Hypereutectic Pistons, Flat Top, 5.7 Rod

Details

Reviews

Q & A

What's in the Box

Keith Black Hyperutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.

For S/B Chevy 305 c.i. (3.736" bore x 3.48" stroke).

  • 390 Hypereutectic alloy
  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • Reflective alloy allows 2% power increase
  • Quench dome technology minimizes deterioration
  • Zero deck quench designs
  • Lightweight wrist pins

Ring Style Chart (GIF)

474-143 Instructions (PDF)

Specs

  • Comp Height 5.7" Rod -  1.561
  • Comp Height 6.0" Rod -  1.261
  • Pin Diameter -  0.9272

Item Details

C/R 58cc=10.0, 64cc=9.3, 76cc=8.2
Piston/Pin Weight: 615 g
Rod Length: 5.7", Ring Style: A

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KB Chevy 305 Hypereutectic Pistons, .100 Dome, 5.7 Rod
                        

Keith Black Hyperutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.

  • 390 Hypereutectic alloy
  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • Reflective alloy allows 2% power increase
  • Quench dome technology minimizes deterioration
  • Zero deck quench designs
  • Lightweight wrist pins

For S/B Chevy 305 c.i. (3.736" bore x 3.48" stroke).

Ring Style Chart (GIF)

474-144 Instructions (PDF)

Garage Sale - KB Chevy 305 Hypereutectic Pistons, Flat Top, 6.0 Rod
                        

Keith Black Hyperutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.

  • 390 Hypereutectic alloy
  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • Reflective alloy allows 2% power increase
  • Quench dome technology minimizes deterioration
  • Zero deck quench designs
  • Lightweight wrist pins

For S/B Chevy 305 c.i. (3.736" bore x 3.48" stroke).

Ring Style Chart (GIF)

474-153 Instructions (PDF)

 

Clearance!!  

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  

KB Chevy 305 Hypereutectic Pistons, .150 Dome, 6.0 Rod
                        

Keith Black Hyperutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.

  • 390 Hypereutectic alloy
  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • Reflective alloy allows 2% power increase
  • Quench dome technology minimizes deterioration
  • Zero deck quench designs
  • Lightweight wrist pins

For S/B Chevy 305 c.i. (3.736" bore x 3.48" stroke).

Ring Style Chart (GIF)

474-179 Instructions (PDF)

MAHLE Small Block Chevy 305 PowerPak Pistons
                        

Mahle PowerPak pistons are a race proven lightweight forged design that are complete with rings, wrist pins, and locks. They are also completely phosphate coated plus feature an anti-friction Grafal skirt coating. PowerPak pistons are made from 4032 aluminum alloy to allow for tighter cylinder to wall clearances, and improved temperature stability.

  • Forged piston for performance applications Fully-machined crown
  • Grafal anti-Friction coating on skirts
  • Phosphate-coated to reduce micro-welding and pin galling
  • Pin bores binished on CNC boring equipment
  • Deburred
  • High strength, light weight steel pins
  • Race proven round wire locks
  • Low drag ring pak
  • Lightweight slipper kirt forgings

1.5, 1.5, 3.0mm file fit performance ring set included. For 305 c.i. S/B Chevy (3.736" bore x 3.48" stroke).

  • C/R 58cc:  10.0 
  • C/R 64cc:  9.3
  • C/R 70cc:  8.7