Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$469.99
$349.99
Garage Sale - KB Chevy 400 Hyperutectic Pistons, .150 Dome, 6.0 Rod
Garage Sale - KB Chevy 400 Hyperutectic Pistons, .150 Dome, 6.0 Rod

Garage Sale - KB Chevy 400 Hyperutectic Pistons, .150 Dome, 6.0 Rod

400 Chevy Small Block V8, Hypereutectic Aluminum Piston Material, Dome Piston Style

0 Reviews | 0 Answered Questions
In Stock
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
Garage Sale - KB Chevy 400 Hyperutectic Pistons, .150 Dome, 6.0 Rod
Garage Sale - KB Chevy 400 Hyperutectic Pistons, .150 Dome, 6.0 Rod
Zoomed In Image
Part # UP41285
Save 25%
$349.99
$469.99
set
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Piston Material:
Hypereutectic Aluminum
Piston Style:
Dome
Piston Diameter:
4.155"
Dome Height:
.150"
Connecting Rod Length:
6.000"
Piston Ring Style:
C
Stroke:
3.75"
Wrist Pin Diameter:
.9272"
Piston Weight:
500 grams
Wrist Pin Weight:
145 grams
Compression 58cc =:
14.1 : 1
Compression 64cc =:
13.0 : 1
Compression 76cc =:
11.2 : 1
Sold in Quantity:
Set
MFG. Part #:
KB129.030
GTIN Code:
800745045348

Info

This is Garage Sale priced because it does not inclide spiral locks.

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 Chevy 400 c.i. (4.125" bore x 3.75" stroke).

Ring Style Chart (GIF)

474-129 Instructions (PDF)

Specs

  • Comp Height 5.565" Rod -  1.561
  • Comp Height 5.7" Rod -  1.433
  • Comp Height 6.0" Rod -  1.13
  • Pin Diameter -  0.9272

Item Details

C/R 58cc=14.1, 64cc=13.0, 76cc=11.2
Piston/Pin Weight: 645 g

Rod Length: 6.0", Ring Style: C

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

More Like This

Reviews

Q & A

You May Also Like

Suggestions
Error
Note
Ok