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MAHLE Small Block Chevy 434 Flat Top Powerpak Pistons, 6 In Rod, 4 In Stroke
MAHLE Small Block Chevy 434 Flat Top Powerpak Pistons, 6 In Rod, 4 In Stroke
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MAHLE Small Block Chevy 434 Flat Top Powerpak Pistons, 6 In Rod, 4 In Stroke
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Part # 50314505
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Details
Piston Style:
Flat Top w/ 2 valve reliefs
Piston Material:
Forged Aluminum
Piston Diameter:
Select Oversize to see
Stroke:
4.00"
Connecting Rod Length:
6.000"
Piston Weight:
420 grams
Piston Ring Style:
E
Wrist Pin Diameter:
0.927"
Top Ring Material:
Ductile Iron
Second Ring Material:
Cast Iron
Top Ring Thickness:
1.5 mm
Second Ring Thickness:
1.5 mm
Oil Ring Thickness:
3.0 mm
Oil Ring Tension:
Standard Tension
Sold in Quantity:
Set
Info
The 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.
1.5mm, 1.5mm, 3.0mm file fit performance ring set is included. For 434 c.i. S/B Chevy (4.125" bore x 4.00" stroke). Choose standard or oversize diameter needed.
- Comp Height: 1.000 (includes oil support rails)
- Pin Diameter: 0.927
- Clearance Guide
- *Meas. = 0.350
- Min = 0.0025
- Max = 0.0033
*The location to measure piston-to-wall clearance for each application. This point is calculated from the bottom of the piston skirt and indicates the widest part of the piston and thus where to measure.
Item Details
C/R 58cc=13.2, 64cc=12.3, 70cc=11.5Piston Weight: 420 g
Notes
- Mahle’s Grafal skirt coating reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise.
- Phosphate coating provides the grey appearance to the Mahle piston. This dry lubricant coating (not to be confused with a thermal film coating) provides a lubricant film in the pin bores and ring grooves until the oiling system of the engine reaches operating pressure; particularly useful during the initial start-up or break-in of engines to protect against galling and microwelding. The piston crown is still machineable.
- 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
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
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Learn about the importance of getting the chain tension set correctly, and why it is critical that we get it as near perfect as we can. Walkthrough a basic procedure that effectively and consistently gets the chain tension set properly every time.