Mahle Performance Series Piston Rings - 4.380 in Bore - 8-Cylinder GRT698 NOTE: The Fuel Pump Booster

NOTE: The Fuel Pump Booster cannot be used on fuel systems without a return line (pulse-modulated pumps)

Combo arm has a 1" lead

Chevy Corvette 1963-74

Chevrolet: K20 76 - 78 7

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Mahle Performance Series Piston Rings - 4.380 in Bore - 8-Cylinder GRT698 NOTE: The Fuel Pump Booster1. 5mm, 1. 5mm, 3. 0mm Standard Tension +. 005" File Fit Rings 4. 375"+0. 005 1. 5, 1. 5, 3. 0mm File Fit Rings. Product Description: Piston Rings Performance Series 4. 380 in Bore 1. 5 x 1. 5 x 3. 0 mm Thick Standard Tension Iron 8 Cylinder For over 80 years, MAHLE has numbered among the leading international manufacturers of high quality components for the automotive engine industry. From powering the Champions in the world's premier racing series