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Keith Black/KB Pistons KB167KTM-030 - Keith Black KB Performance Piston and Ring Kits

  • Piston and Ring Kit, Hypereutectic, Flat Top, 3.940 in. Bore, Mopar, Small Block, Kit
  • Application Specific
  • Estimated Ship Date: 5/29/2012
 
BrandKeith Black/KB Pistons
Manufacturer's Part NumberKB167KTM-030
Part TypePiston and Ring Kits
Product LineKeith Black KB Performance Piston and Ring Kits
Summit Racing Part NumberUEM-KB167KTM-030
UPC800745162960
 
Bore (in)3.940 in.
Bore (mm)100.076mm
Piston StyleFlat top, with two valve reliefs
Piston MaterialHypereutectic aluminum
Compression Distance (in)1.810 in.
Piston Head Volume (cc)+5.00cc
Wrist Pin StylePress-fit or floating
Pin Diameter (in)0.984 in.
GaplessNo
File FitNo
Top Ring Thickness5/64 in.
Top Ring MaterialIron
Top Ring Facing MaterialMoly
Second Ring Thickness5/64 in.
Second Ring MaterialIron
Second Ring Facing MaterialCast iron
Oil Ring Thickness3/16 in.
Oil Ring MaterialStainless steel
Oil Ring TensionStandard
QuantitySold as a kit.
NotesPiston weight 507g, pin weight 132g.
 

These Keith Black hypereutectic piston and ring kits include pistons made from 390 alloy and heat-treated to T6 standards, which makes them 30 percent stronger than ordinary untreated hypereutectics. Their 100 percent CNC-machined crowns, high upper compression-ring location, gas-accumulator groove, drilled oil returns, and spiral-lock retainer grooves make these pistons outstanding for performance applications. On top of that, they have a lightweight, rigid-rib skirt design that stabilizes the piston in the bore. To complete the install, the Keith Black hypereutectic piston and ring kits feature OE-quality piston rings manufactured from ductile iron, and the compression rings have moly facings for extra durability. They'll seal mild to high-compression engines, help to protect against oil blowby, and feature standard ring end gaps for an easy installation.

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