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KB Hypereutectic Pistons & Ring Kit
This is an all out Hypereutectic T-6 heat treat piston with machining features of their next generation forgings. There are significant advantages with hypereutectic pistons in compression restricted classes. The lower conductivity of the alloy and reflective piston top lowers oil temperatures, reduces combustion heat and pressure lost. Tight suggested clearances keep things quiet and reduces oil consumption. Lockrings and pins included at no extra charge. Piston & Ring sets also include a set of premium moly piston rings. Most available in std., 0.030", 0.040", and 0.060" over sizes. Sets of 8.
Part Type: Pistons
UPC: 800745164735
Piston Rings Included: Yes
Bore (mm): 107.950
Bore (in): 4.250"
Stroke: 4.000"
Piston Material: Hypereutectic Aluminum
Rod Length: 6.135"
Piston Style: Flat Top, with two valve reliefs
Compression Height (in): 1.645"
Piston Head Volume (cc): -12.00
Wrist Pin Included: Yes
Wrist Pin Retainers Included: Yes
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 0.990"
File Fit: No
Gapless: No
Piston Ring Thickness: 5/64" x 5/64" x 3/16"
Top Ring Thickness: 5/64"
Top Ring Facing Material: Moly
Top Ring Material: Iron
Oil Ring Thickness: 3/16"
Oil Ring Tension: Standard
Oil Ring Material: Stainless Steel
Second Ring Thickness: 5/64"
Second Ring Facing Material: Cast Iron
Second Ring Material: Iron
Remanufactured: No
Notes: Solid dome design.
Quantity Sold as: Set of 8.
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