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JE Pistons Ultra LS Gen III/IV flat-top piston kit, 4.125 in bore – JE-361713
SKU: JE-361713
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Chevrolet Gen III/IV LS7 • JE Ultra FSR flat-top piston kit • 4.125 in standard bore • 3.622 in stroke • 6.125 in rod • 1.304 in compression height • -5.0 cc crown. Catalog compression ratios: 11.1:1 (64 cc), 10.6:1 (68 cc), 10.4:1 (70 cc). Includes ring set JG31F8-4125-2 and GM1005-051 head gasket.
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