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Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  1. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  2. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  3. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  4. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  5. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  6. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L
  7. Piston Assembly — Toyota 1UR STD (13101-0S020) 4.6L

Engine Piston and Ring Kit Fits 10-21 Lexus Toyota 4.6L DOHC 1UR-FE 13101-0S020

The Toyota 1UR-FE/FSE 4.6L V8 Standard (STD) piston assembly is designed specifically for a bore diameter of 94.0 mm (3.70 inches), featuring a compression ratio of 10.2:1 (with select variants at 10.0:1). Constructed from ZL109 aluminum alloy, this piston is typically fitted with a 22 mm piston pin.

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Description

Main Specifications (Standard Type):
Engine Type: V8, 4-stroke, Gasoline (1UR-FE/FSE)
Bore: 94.0 mm (3.70 in)
Piston Stroke: 83.0 mm (3.27 in)
Piston Ring Dimensions (Typical): 1.20 mm (Top Ring), 1.20 mm (Second Ring), 2.0 mm (Oil Ring)
Piston Pin Diameter: 22 mm
Material: ZL109 Aluminum Alloy
Features: Typically includes Alfin inserts and an anodized top surface treatment to optimize thermal management performance.

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