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

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Specs
Sold in Quantity:
Set
Piston Ring Style:
C
Connecting Rod Length:
6.000"
Piston Material:
Hypereutectic Aluminum
Piston Style:
Flat Top w/ 2 valve reliefs
Garage Sale:
No
Piston Diameter:
-
Stroke:
3.48
Wrist Pin Diameter:
.9272
Piston Weight:
411
Wrist Pin Weight:
145
Compression 64cc =:
9.3 : 1
Compression 58cc =:
10.0 : 1
Compression 76cc =:
8.2 : 1
Garage Sale - KB Chevy 305 Hypereutectic Pistons, Flat Top, 6.0 Rod

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Details

Reviews

Q & A

What's in the Box

Keith Black Hypereutectic 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  

Specs

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

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KB Chevy 305 Hypereutectic Pistons, Flat Top, 5.7 Rod
(Part #474143)
                        

Keith Black Hypereutectic 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)

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
KB Chevy 305 Hypereutectic Pistons, .100 Dome, 5.7 Rod
(Part #474144)
                        

Keith Black Hypereutectic 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)

Item Details

C/R 58cc=11.5, 64cc=9.9, 76cc=8.6
Piston/Pin Weight: 630 g
Rod Length: 5.7", Ring Style: A
KB Chevy 305 Hypereutectic Pistons, .150 Dome, 6.0 Rod
(Part #474179)
                        

Keith Black Hypereutectic 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)

Item Details

C/R 58cc=11.2, 64cc=10.3, 76cc=8.9
Piston/Pin Weight: 582 g
Rod Length: 6.0", Ring Style: C
MAHLE Small Block Chevy 305 PowerPak Pistons
(Part #50355075)
                        

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

Item Details

Piston Weight: 408 g
Dome: -5 CC
Rod Length: 5.7"