Mahle MS Piston Set BBF 544ci 4.39in Bore 4.5in Stroke 6.7in Rod 0.990 Pin -38cc 9.7 CR Set of 8 - 930245690

Piston (set) - BIG BLOCK FORD — 521cid 4.390 x 1.350CH, 4.300stroke,6.800rod,0.990pin,-38cc,506g,9.3CR, 4032

Application

Ford Big Block 521 cu in.

Features & Specs

• for Std Valve Location CYLINDER HEADS (FoMoCo, Edelbrock, TFS, Blue Thunder, Etc.)
• Piston Style: Inverted Dome, w/ INT valve relief
• Piston Ring Thickness: 1.5mm, 1.5mm, 3.0mm
• Piston Material: Forged, 4032
• Piston Mass: 506g
• Pins Included: Y
• Pin Style: Floating
• Clips Included: Y
• 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
• OCR Tension: Standard
• OCR Material: Chrome plated stainless steel
• LCR Thickness: 1.5mm
• LCR Material: Cast Iron
• LCR Coating: Phosphate
• File Fit: Y
• Crown Volume: -38cc
• UCR Thickness: 1.5mm
• Clip Style: Round Wire
• Pin Wall Thickness: 0.18
• UCR Material: Ductile Iron
• UCR Coating: Plasma Moly
• Rings Included: Y

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

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