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Sportsman Racing Products 271057 - SRP Professional Pistons and Rings

  • Piston and Ring Kit, Forged, Flat Top, 4.030 in. Bore, Chevy, Small Block, Kit
  • Application Specific
  • Estimated Ship Date: 5/29/2012
 
BrandSportsman Racing Products
Manufacturer's Part Number271057
Part TypePiston and Ring Kits
Product LineSRP Professional Pistons and Rings
Summit Racing Part NumberSRP-271057
 
Bore (in)4.030 in.
Bore (mm)102.362mm
Piston StyleFlat top, with two valve reliefs
Piston MaterialForged aluminum
Compression Distance (in)1.560 in.
Piston Head Volume (cc)+5.00cc
Wrist Pin StylePress-fit or floating
Pin Diameter (in)0.927 in.
GaplessNo
File FitNo
Top Ring Thickness1.2mm
Top Ring MaterialSteel
Top Ring Facing MaterialSteel
Second Ring Thickness1.5mm
Second Ring MaterialCast iron
Second Ring Facing MaterialCast iron
Oil Ring Thickness3.0mm
Oil Ring MaterialChrome plated carbon steel
Oil Ring TensionStandard
QuantitySold as a kit.
 

SRP professional pistons and rings include features used in professional racing, such as lightweight forged side relief (FSR) forgings, high-quality wrist pins, and precision CNC-machined ring grooves and skirts. In addition, every package includes JE Pro Seal premium piston rings. The included ring set features a 1.2 premium steel top ring, a 1.5mm Napier (hooked face) second ring, and a 3.0mm standard tension oil ring. Every SRP Professional piston is designed and manufactured in the USA at the advanced JE/SRP pistons manufacturing center.

Piston design benefits include:

* Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength
* Up to 20 percent lighter than traditional equivalent
* High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation
* Accumulator grooves for improved ring seal
* Designed for normally aspirated or moderate forced induction/nitrous applications