Mahle MS Piston Set BBC 489ci 4.280in Bore 4.25in Stroke 6.385in Rod .990 Pin 18cc 10.1 CR Set of 8 - 929907180

Piston (set) - BIG BLOCK CHEVY DOME (STD DECK 9.800) — 489cid 4.280 x 1.270RCH, 4.250stroke,6.385rod,0.990pin,18.0cc,527g,10.2CR, 4032

Application

Chevy Big Block 489 cu in.

Features & Specs

• Coatings: Phosphate + Grafal
• OCR Material: Chrome plated stainless steel
• LCR Material: Cast iron
• LCR Coating: Phosphate
• File Fit: Y
• Crown Volume: 18.0cc
• Clips Included: Y
• Clip Style: Round Wire
• UCR Thickness: 1.5mm
• UCR Material: Ductile Iron
• UCR Coating: Plasma Moly
• Rings Included: Y
• OCR Tension: Standard
• Piston Style: Dome, w/ INT valve relief
• Piston Ring Thickness: 1.5mm, 1.5mm, 3.0mm
• Piston Material: Forged, 4032
• Piston Mass: 527g
• Pins Included: Y
• Pin Wall Thickness: 0.18
• Pin Style: Floating
• Pin Material: Steel
• Pin Mass: 148g
• Pin Length: 64.0mm
• Pin Diameter: 25.146mm
• Package Quantity: Sold as a set of 8
• OCR Thickness: 3.0mm
• LCR Thickness: 1.5mm

Country of Origin: US  |  Package: Sold as a set of 8

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