Mahle MS Piston Set GM LS 427ci 4.125in Bore 4in Stk 6.067in Rod .927 Pin -2.5cc 12.2 CR Set of 8 - 930221525

Piston (set) - LS 7.0L FLAT TOP & DISH - compatible with LS7 style heads — 428cid 4.125 x 1.181CH, 4.000stroke,6.067rod,0.927pin,-2.5cc,447g,11.8CR, 4032

Application

Chevrolet LS7 428 cu in.

Features & Specs

• Coatings: Phosphate + Grafal
• OCR Tension: Standard
• LCR Thickness: 1.0mm
• LCR Material: 9254 Steel
• LCR Coating: Phosphate
• File Fit: Y
• Crown Volume: -2.5cc
• Clips Included: Y
• Clip Style: Round Wire
• UCR Thickness: 1.0mm
• UCR Material: 9254 Steel
• UCR Coating: HV385
• Rings Included: Y
• OCR Thickness: 2.0mm
• Piston Style: Flattop, w/ 2 valve reliefs
• Piston Ring Thickness: 1.0mm, 1.0mm, 2.0mm
• Piston Material: Forged, 4032
• Piston Mass: 447g
• Pins Included: Y
• Pin Wall Thickness: 0.168
• Pin Style: Floating
• Pin Material: Steel
• Pin Mass: 118g
• Pin Length: 58.1mm
• Pin Diameter: 23.55mm
• Package Quantity: Sold as a set of 8
• OCR Material: Chrome plated stainless steel

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

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