Piston Casting Numbers

#NumberManufacturerYearsCidBoreDomeDishMaterialNotes 
188894404Chevrolet1999 – 20044.83.780″HypereutecticFLAT-TOP WITH NO VALVE RELIEFS, NON-COATED…
288894397Chevrolet1999 – 20045.33.780″HypereutecticDISHED WITH NO VALVE RELIEFS, NON-COATED SKIRTS
388894245Chevrolet1997 – 20045.73.898″Hypereutectic1997-2003 (CORVETTE), EARLY 2004 (GTO), FLAT-TOP…
488894003Chevrolet1999 – 20026.04.000″HypereutecticEXCL. LQ9, DISHED WITH NO VALVE RELIEFS,…
519208675Chevrolet2010 – 20154.8, 5.33.780″HypereutecticFLAT-TOP WITH VALVE RELIEFS, COATED SKIRTS,…
689060486Chevrolet2004 – 20094.83.780″HypereutecticLATE 2004-EARLY 07 (L33), ALL LATE 2007-09,…
789017579Chevrolet2004 – 20075.33.780″Hypereutectic(EXCL. L33), DISHED WITH NO VALVE RELIEFS, COATED…
889017581Chevrolet2004 – 20055.73.898″Hypereutectic2004 CORVETTE, LATE 2004 GTO, 2004-05 CTS-V,…
989017472Chevrolet2002 – 20056.04.0000″HypereutecticLQ4, DISHED WITH NO VALVE RELIEFS, NON-COATED…
1089017849Chevrolet2006 – 20076.04.0000″Hypereutectic2006-07 LQ4, L76 (EXCL. G8), ALL L96, LC8, LY6,…
1119178305Chevrolet6.04.0000″HypereutecticL76 (EXCL. TRUCK), ALL L77, LQ9, LS2, FLAT-TOP…
1219209286Chevrolet6.04.0000″HypereutecticLFA, LZ1, FLAT-TOP WITH VALVE RELIEFS, COATED…
1319178597Chevrolet2007 – 20096.24.065″Hypereutectic2007-EARLY 09 L92/L9H, FLAT-TOP WITH VALVE…
1419208473Chevrolet2009 – 20106.24.065″HypereutecticLATE 2009-EARLY 10 L94/L9H, FLAT-TOP WITH VALVE…
1519208471Chevrolet2010 – 20146.24.065″HypereutecticLATE 2010-14 L94/L9H, 2010-CURRENT L99, FLAT-TOP…
1619207287Chevrolet6.24.065″HypereutecticLS3, FLAT-TOP WITH NO VALVE RELIEFS, COATED…
1719180423Chevrolet6.24.065″HypereutecticLSA, DISHED WITH NO VALVE RELIEFS, COATED SKIRTS,…
1819180414Chevrolet6.24.065″HypereutecticLS9, DISHED WITH NO VALVE RELIEFS, COATED SKIRTS,…
1912631872Chevrolet7.04.125″HypereutecticFLAT-TOP WITH VALVE RELIEFS, COATED SKIRTS,…
2019166957Chevrolet4.065″4032 FORGED ALLOYLSX, FLAT-TOP WITH NO VALVE RELIEFS, COATED…
2119244016Chevrolet4.065″14cc4032 FORGED ALLOYNO VALVE RELIEFS, COATED SKIRTS, FLOATING PINS
2219166958Chevrolet4.185″4032 FORGED ALLOY1.2MM/1.2MM/2.0MM RINGS, DISHED WITH VALVE…
23C3AE-6110-AAFord427
24C3AE-6110-BJFord427
25C3AE-6110-TFord427Race
26C6ME-6110-AFord4.050″410 casting
27C7AE-6110-AFord427ForgedTRW L2244
28C8AE-6110-AFord3904V casting on side
29C8AX-6110-AFord1967 – 684274.130″ForgedRace, TRW, Domed, Req. dyke top ring
30C8OE-6110-BFord1968 –302
31C8OE-6110-AEFord4284.130″CJ
32C9AE-6110-BFord429Boss 429
33C9AE-6110-EFord429ForgedBoss 429
34C9ZE-6110-HFord1969 – 704284.130″SCJ Torino Mustang
35C9ZZ-6108-NFord1969 – 704284.130″SCJ Torino Mustang
36D0ZE-6110-AFord1969 – 70302ForgedDomed, Boss 302 Mustang
37D0ZZ-6108-AFord1969 – 70302ForgedDomed, Boss 302 Mustang
38D1OE-6110-HAFord1971429Forged429CJ and SCJ Mustang Torino
39D1ZX-6110-AAFord1971351ForgedBOSS 351 Mustang, Domed
40D1ZX-6110-ABFord1971351CSpecial 351C, BOSS 351 Mustang
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