Engines and Components› Pistons and Piston Rings

SPORTSMAN RACING PRODUCTS

SBC 400 Dished Piston Set 4.155 Bore -21cc

$681.33

SKU: S07F 139625

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Overview

The Sportsman Racing Products 139625 is a set of forged engine pistons designed for Chevy SB applications. These pistons feature a dish style with CNC-machined domes and radiused valve reliefs. They are constructed from a high-silicon 4032 aluminum alloy for durability and quiet operation, and include a forced pin oiler for enhanced wrist pin lubrication. The ring grooves accept 1/16, 1/16, 3/16mm rings.
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Part #: 139625

Piston - 400 Inverted Dome - Forged - 4.155 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 21.00 cc - Small Block Chevy - Set of 8

Vehicle Symptoms
  • Engine knocking or pinging under load
  • Loss of compression on one or more cylinders
  • Excessive oil consumption and blue exhaust smoke
  • Rough idle and misfire at low RPM
  • Decreased engine power and poor acceleration
Diagnostic Codes
  • P0300 – random misfire
  • P0301 – cylinder 1 misfire
  • P0302 – cylinder 2 misfire
  • P0303 – cylinder 3 misfire
  • P0304 – cylinder 4 misfire
  • P0305 – cylinder 5 misfire
  • P0306 – cylinder 6 misfire
  • P0307 – cylinder 7 misfire
  • P0308 – cylinder 8 misfire
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  • SBC piston ring gap for 1/16 1/16 3/16 rings
  • Engine rebuild kit for Chevy 400 small block
  • Symptoms of worn piston rings on SBC
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandSPORTSMAN RACING PRODUCTS
Part NumberS07F 139625
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