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JE Chevrolet LS1 flat-top piston set, 3.905 in bore — JE-326377
SKU: JE-326377
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JE Chevrolet LS1 flat-top piston set, 3.905 in bore — JE-326377 — JE 2618 FSR kit for LS1 engines.
Manufacturer specifications
- Bore: 3.905 in, .007 in oversize; displacement: 383 cu in
- Stroke: 4.000 in; rod: 6.125 in; block height: 9.240 in
- Compression height: 1.115 in
- Signed crown volume: −2.0 cc
- Catalog compression ratios: 11.5:1 / 11.2:1 / 10.5:1 with 64 / 66 / 72 cc heads
- Weight: 414 g; recommended ring set: J68008-3900-3; rings sold separately
Confirm finished bore, ring selection and head/piston clearances for the specific build.
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