Block Specifications: Designed from heavy-duty A357-T6 aluminum material, 4.125”-4.165” siamese cast bore walls w/ press-in spun cast iron liner, Available in standard (9.240”) & tall (9.750”) deck heights w/ beefy .750” deck thickness, Both standard deck (5.67”/5.87”- same as LS7) & tall deck (5.94”/6.38”) cylinder liner lengths available, “Long arm friendly” – Accommodations for up to 4.6” stroke w/ standard rod pin diameters (2.100”) & oversized 60mm camshaft, Main cap surface area maximized at mating surface & large fillets from cap to cross bolts for added strength, Designed for clearance – side oil galley moved outboard & engineered rod clearance come standard, Significantly increased windage passage area under bores & around caps over LS7/LSX engines, 6 head bolt design w/ full water jacket around the cylinders (based on LS7 design), Bay-to-bay breathing improved w/ increased side window area versus LSX & LS7, Extra-large windows in valley for access to inboard “6th” head bolt, Extra-long liners for standard (5.87”) & tall (6.38”) decks
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Avanti | II | Base |
| 2006-2007 | Cadillac | CTS | V |
| 2010-2015 | Chevrolet | Camaro | SS |
| 2014-2015 | Chevrolet | Camaro | Z/28 |
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS |
| 2013 | Chevrolet | Corvette | 427 |
| 2008 | Chevrolet | Corvette | 427 Limited Edition Z06 |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition Pace Car |
| 1997-2013 | Chevrolet | Corvette | Base |
| 2010-2013 | Chevrolet | Corvette | Grand Sport |
| 1998 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 2006-2013 | Chevrolet | Corvette | Z06 |
| 2011 | Chevrolet | Corvette | Z06 Carbon |
| 2014-2017 | Chevrolet | SS | Base |
| 2005-2006 | Chevrolet | SSR | Base |
| 2006-2009 | Chevrolet | Trailblazer | SS |
| 1998-2002 | Pontiac | Firebird | Formula |
| 1998-2002 | Pontiac | Firebird | Trans Am |
| 2009 | Pontiac | G8 | GXP |
| 2004-2006 | Pontiac | GTO | Base |
| 2008-2009 | Saab | 9-7x | Aero |
- 1997-chevrolet-corvette-base-esi8489848
- 1998-chevrolet-camaro-z28-esi6400949
- 1998-chevrolet-camaro-z28-ss-esi1591064
- 1998-chevrolet-corvette-base-esi9197810
- 1998-chevrolet-corvette-indianapolis-500-pace-car-esi2997799
- 1998-pontiac-firebird-formula-esi5766402
- 1998-pontiac-firebird-trans-am-esi6377237
- 1999-chevrolet-camaro-z28-esi5740085
- 1999-chevrolet-camaro-z28-ss-esi5236590
- 1999-chevrolet-corvette-base-esi8356025
- 1999-pontiac-firebird-formula-esi7322677
- 1999-pontiac-firebird-trans-am-esi2575864
- 2000-chevrolet-camaro-z28-esi2220767
- 2000-chevrolet-camaro-z28-ss-esi5263917
- 2000-chevrolet-corvette-base-esi9682041
- 2000-pontiac-firebird-formula-esi3695889
- 2000-pontiac-firebird-trans-am-esi3822179
- 2001-chevrolet-camaro-z28-esi6902446
- 2001-chevrolet-camaro-z28-ss-esi1540364
- 2001-chevrolet-corvette-base-esi9456351
- 2001-pontiac-firebird-formula-esi9286021
- 2001-pontiac-firebird-trans-am-esi1526524
- 2002-chevrolet-camaro-z28-esi7777430
- 2002-chevrolet-camaro-z28-ss-esi7033953
- 2002-chevrolet-corvette-base-esi5646131
- 2002-pontiac-firebird-formula-esi4969684
- 2002-pontiac-firebird-trans-am-esi9188279
- 2003-chevrolet-corvette-50th-anniversary-edition-esi7731800
- 2003-chevrolet-corvette-base-esi6071965
- 2004-chevrolet-corvette-base-esi9830853
- 2004-pontiac-gto-base-esi7213384
- 2005-chevrolet-corvette-base-esi6477999
- 2005-chevrolet-ssr-base-esi6389759
- 2005-pontiac-gto-base-esi2575560
- 2006-cadillac-cts-v-esi8214283
- 2006-chevrolet-corvette-base-esi1073040
- 2006-chevrolet-corvette-z06-esi3438634
- 2006-chevrolet-ssr-base-esi1639319
- 2006-chevrolet-trailblazer-ss-esi8746112
- 2006-pontiac-gto-base-esi1719022
- 2007-cadillac-cts-v-esi9974401
- 2007-chevrolet-corvette-base-esi1029176
- 2007-chevrolet-corvette-z06-esi2817447
- 2007-chevrolet-trailblazer-ss-esi2082444
- 2008-chevrolet-corvette-427-limited-edition-z06-esi6877408
- 2008-chevrolet-corvette-base-esi5675299
- 2008-chevrolet-corvette-z06-esi1740555
- 2008-chevrolet-trailblazer-ss-esi3790217
- 2009-chevrolet-corvette-base-esi7361415
- 2009-chevrolet-corvette-z06-esi6137449
- 2009-chevrolet-trailblazer-ss-esi5245739
- 2009-pontiac-g8-gxp-esi8232799
- 2010-chevrolet-camaro-ss-esi1734535
- 2010-chevrolet-corvette-base-esi6633110
- 2010-chevrolet-corvette-grand-sport-esi1676479
- 2010-chevrolet-corvette-z06-esi8741441
- 2011-chevrolet-camaro-ss-esi6240865
- 2011-chevrolet-corvette-base-esi3900660
- 2011-chevrolet-corvette-grand-sport-esi4680871
- 2011-chevrolet-corvette-z06-carbon-esi9084509
- 2011-chevrolet-corvette-z06-esi8007515
- 2012-chevrolet-camaro-ss-esi5715419
- 2012-chevrolet-corvette-base-esi6183904
- 2012-chevrolet-corvette-grand-sport-esi7340588
- 2012-chevrolet-corvette-z06-esi5167768
- 2013-chevrolet-camaro-ss-esi8861806
- 2013-chevrolet-corvette-427-esi9378781
- 2013-chevrolet-corvette-base-esi4122143
- 2013-chevrolet-corvette-grand-sport-esi7423871
- 2013-chevrolet-corvette-z06-esi4018669
- 2014-chevrolet-camaro-ss-esi6836972
- 2014-chevrolet-camaro-z-28-esi5432316
- 2014-chevrolet-ss-base-esi9716667
- 2015-chevrolet-camaro-ss-esi7457176
- 2015-chevrolet-camaro-z-28-esi6486997
- 2015-chevrolet-ss-base-esi8965112
- 2016-chevrolet-ss-base-esi1992188
- 2017-chevrolet-ss-base-esi8791180
- Bucket:Chevy
- ClearanceItem:N
- Engine Components>Engines
- EPA:N/A
- fits_1998-2002`Pontiac`Firebird`Trans Am~2009`Pontiac`G8`GXP~2004-2006`Pontiac`GTO`Base~2008-2009`Saab`9-7x`Aero
- fits_1998`Chevrolet`Corvette`Indianapolis 500 Pace Car~2006-2013`Chevrolet`Corvette`Z06~2011`Chevrolet`Corvette`Z06 Carbon~2014-2017`Chevrolet`SS`Base~2005-2006`Chevrolet`SSR`Base~2006-2009`Chevrolet`Trailblazer`SS~1998-2002`Pontiac`Firebird`Formula
- fits_2001-2004`Avanti`II`Base~2006-2007`Cadillac`CTS`V~2010-2015`Chevrolet`Camaro`SS~2014-2015`Chevrolet`Camaro`Z/28~1998-2002`Chevrolet`Camaro`Z28~1998-2002`Chevrolet`Camaro`Z28 SS~2013`Chevrolet`Corvette`427
- fits_2008`Chevrolet`Corvette`427 Limited Edition Z06~2003`Chevrolet`Corvette`50th Anniversary Edition~2003`Chevrolet`Corvette`50th Anniversary Edition Pace Car~1997-2013`Chevrolet`Corvette`Base~2010-2013`Chevrolet`Corvette`Grand Sport
- LTL:N
- MPN:54901U-904
- Non-CARB:Y
- Prop65:Y
- SpecialOrder:Y