|
|
|
Gen III & Gen IV Small Blocks |
|
Part Number |
Description |
Liters |
CID |
HP |
TQ |
Bore |
Stroke |
|
19165628 |
LS327/327 |
5.3 |
327 |
327 |
347 |
3.780" |
3.622" |
|
17801267 |
LS1 |
5.7 |
346 |
350 |
365 |
3.898" |
3.622" |
|
17801268 |
LS6 |
5.7 |
346 |
405 |
395 |
3.898" |
3.622" |
|
19156262 |
LQ9 |
6.0 |
364 |
345 |
380 |
4.000" |
3.622" |
|
*19165484 |
LS2 |
6.0 |
364 |
400 |
400 |
4.000" |
3.622" |
|
*17802134 |
LS364/440 |
6.0 |
364 |
440 |
404 |
4.000" |
3.622" |
|
12611022 |
L99 |
6.2 |
376 |
430 |
424 |
4.065 |
3.622" |
|
19171224 |
LS376/485 |
6.2 |
376 |
485 |
475 |
4.065" |
3.622" |
|
19171225 |
LS376/515 |
6.2 |
376 |
515 |
469 |
4.065" |
3.622" |
|
19201992 |
LS3 |
6.2 |
376 |
430 |
424 |
4.065" |
3.622" |
|
19211978 |
LSA |
6.2 |
376 |
556 |
551 |
4.065" |
3.622" |
|
19201990 |
LS9 |
6.2 |
376 |
638 |
604 |
4.065" |
3.622" |
|
19171821 |
CT525 |
6.2 |
376 |
525 |
471 |
4.065" |
3.622" |
|
19165058 |
LS7 |
7.0 |
427 |
505 |
470 |
4.125" |
4.000" |
| |
* Discontinued |
|
|
|
|
|
|
|
|
LS Compatibility - Heads vs. Intakes |
|
Intakes |
Heads |
|
Engine |
Part # |
Manifold |
Port Type |
12559855 LS1 |
12564824 LS6/LS2 |
12562319 LQ9 |
88958665 CNC LS6 |
88958622 CNC LS6 |
12562713 L76/L92 |
12615879 LS3 |
88958698 CNC L92 |
|
LS1/LS6 |
88894339 |
EFI |
Cathedral |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
|
LS2/LQ4 |
88958675 |
4-bbl |
Cathedral |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
|
LQ4/LQ9 |
N/A |
EFI |
Cathedral |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
|
L76 |
12590123 |
EFI |
L92 |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
LS3 |
12610434 |
EFI |
L92 |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
L76/L92/LS3 |
25534416 |
4-bbl w/inj |
L92 |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
L76/L92/LS3 |
25534401 |
4-bbl |
L92 |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
L92/LS3 |
19166952 |
LSX 4bbl |
L92 |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
L92/LS3 |
19172322 |
LSX 4bbl |
L92 |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
LS7 '05-'08 |
12568976 |
EFI |
LS7 |
No |
No |
No |
No |
No |
No |
No |
No |
|
LS7 '09 |
12610435 |
EFI |
LS7 |
No |
No |
No |
No |
No |
No |
No |
No |
|
LS7 |
25534413 |
4-bbl w/inj |
LS7 |
No |
No |
No |
No |
No |
No |
No |
No |
|
LS7 |
25534394 |
4-bbl |
LS7 |
No |
No |
No |
No |
No |
No |
No |
No |
|
LSX 454 |
19166948 |
LSX 4bbl |
LS7 |
No |
No |
No |
No |
No |
No |
No |
No |
|
|
19166950 |
LSX 4bbl |
LSX-CT |
No |
No |
No |
No |
No |
No |
No |
No |
|
|
19166954 |
LSX 4bbl |
LSX-DR |
No |
No |
No |
No |
No |
No |
No |
No |
|
|
|
|
|
No=not compatable |
Yes=direct compatability |
|
|
|
|
Intakes |
Heads |
|
Engine |
Part # |
Manifold |
Port Type |
19201807 LSX-L92 |
19201805 LSX-LS3 |
19213963 LSX-LS9 |
12578450 CNC LS7 |
19201806 LSX-LS7 |
19166981 LSX-CT |
19166979 LSX-DR |
12480090 C5R |
|
LS1/LS6 |
88894339 |
EFI |
Cathedral |
No |
No |
No |
No |
No |
No |
No |
No |
|
LS2/LQ4 |
88958675 |
4-bbl |
Cathedral |
No |
No |
No |
No |
No |
No |
No |
No |
|
LQ4/LQ9 |
N/A |
EFI |
Cathedral |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
L76 |
12590123 |
EFI |
L92 |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
LS3 |
12610434 |
EFI |
L92 |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
L76/L92/LS3 |
25534416 |
4-bbl w/inj |
L92 |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
L76/L92/LS3 |
25534401 |
4-bbl |
L92 |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
L92/LS3 |
19166952 |
LSX 4bbl |
L92 |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
L92/LS3 |
19172322 |
LSX 4bbl |
L92 |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
LS7 '05-'08 |
12568976 |
EFI |
LS7 |
No |
No |
No |
Yes |
Yes |
No |
No |
No |
|
LS7 '09 |
12610435 |
EFI |
LS7 |
No |
No |
No |
Yes |
Yes |
No |
No |
No |
|
LS7 |
25534413 |
4-bbl w/inj |
LS7 |
No |
No |
No |
Yes |
Yes |
No |
No |
No |
|
LS7 |
25534394 |
4-bbl |
LS7 |
No |
No |
No |
Yes |
Yes |
No |
No |
No |
|
LSX 454 |
19166948 |
LSX 4bbl |
LS7 |
No |
No |
No |
Yes |
Yes |
No |
No |
No |
|
|
19166950 |
LSX 4bbl |
LSX-CT |
No |
No |
No |
No |
No |
Yes |
Yes |
No |
|
|
19166954 |
LSX 4bbl |
LSX-DR |
No |
No |
No |
No |
No |
Yes |
Yes |
No |
|
|
|
|
|
No=not compatable |
Yes=direct compatability |
|
|
|
|
|
LS Compatability - Heads vs. Blocks |
|
Blocks |
Heads |
|
Engine |
Part # |
Bore Size |
12559855 LS1 |
12564824 LS6/LS2 |
12562319 LQ9 |
88958665 CNC LS6 |
88958622 CNC LS6 |
12562713 L76/L92 |
12598594 LS3 |
88958698 CNC L92 |
|
LS1/LS6 |
12561166 |
3.89" |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
|
LQ4/LQ9 |
12572808 |
4.00" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LS2/L76 |
12568950 |
4.00" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
L92/LS3 |
12584727 |
4.06" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LSA/LS9 |
|
4.06" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LS7 |
17802854 |
4.125" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LS7* |
25534427 |
4.125" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
C5R |
12480030 |
4.12"-4.16" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LSX S/B |
19213964 |
3.89" |
Yes |
Yes |
Yes |
Yes |
Yes |
* |
* |
* |
|
LSX |
19166454 |
3.99"-4.25" |
* |
* |
* |
* |
* |
* |
* |
* |
|
LSX TD |
19166097 |
3.99"-4.25" |
* |
* |
* |
* |
* |
* |
* |
* |
|
No=not compatable |
Yes=direct compatability |
*=4.00 min Bore |
**=4.125" min Bore |
***=4.100" min Bore |
|
Blocks |
Heads |
|
Engine |
Part # |
Bore Size |
19201807 LSX-L92 |
19201805 LSX-LS3 |
19213963 LSX-LS9 |
12578450 CNC LS7 |
19201806 LSX-LS7 |
19166981 LSX-CT |
19166979 LSX-DR |
12480090 C5R |
|
LS1/LS6 |
12561166 |
3.89" |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
LQ4/LQ9 |
12572808 |
4.00" |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
LS2/L76 |
12568950 |
4.00" |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
L92/LS3 |
12584727 |
4.06" |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
LSA/LS9 |
|
4.06" |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
LS7 |
17802854 |
4.125" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LS7* |
25534427 |
4.125" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
C5R |
12480030 |
4.12"-4.16" |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
LSX S/B |
19213964 |
3.89" |
** |
** |
** |
** |
*** |
** |
** |
** |
|
LSX |
19166454 |
3.99"-4.25" |
** |
** |
** |
** |
*** |
** |
** |
** |
|
LSX TD |
19166097 |
3.99"-4.25" |
** |
** |
** |
** |
*** |
** |
** |
** |
|
No=not compatable |
Yes=direct compatability |
*=4.00 min Bore |
**=4.125" min Bore |
***=4.100" min Bore |
|
|
LS Series Blocks |
|
Origin |
Part # |
Material |
Deck Height |
Bore |
Main Bolt |
Cap Material |
Crank Jrnl Dia |
Oiling |
Rr Main Seal |
Max Stroke |
Max HP |
Usage |
|
LS1/LS6 |
12561166 |
Alum |
9.240 |
3.89" |
6 |
Iron |
Std LS 2.56 |
Wet |
1 Pc |
4.00" |
450 |
Street |
|
LS2 |
12568950 |
Alum |
9.240 |
4.00" |
6 |
Iron |
Std LS 2.56 |
Wet |
1 Pc |
4.00" |
450 |
Street |
|
L92/LS3 |
12584727 |
Alum |
9.240 |
4.065" |
6 |
Iron |
Std LS 2.56 |
Wet |
1 Pc |
4.00" |
525 |
Street |
|
LS7 |
17802854 |
Alum |
9.240 |
4.125" |
6 |
PM |
Std LS 2.56 |
Dry |
1 Pc |
4.10" |
550 |
Street |
|
LS7 |
25534427 |
Alum |
9.240 |
4.125" |
6 |
PM |
Std LS 2.56 |
Dry |
1 Pc |
4.10" |
550 |
Street |
|
C5R |
12480030 |
Alum |
9.240 |
4.117"-4.160" |
6 |
8620 Steel |
Std LS 2.56 |
Wet |
1 Pc |
4.10" |
900 |
Pro |
|
LQ9 |
12572808 |
Iron |
9.240 |
4.00" |
6 |
Iron |
Std LS 2.56 |
Wet |
1 Pc |
4.00" |
500 |
Street |
|
LSX |
19166454 |
Iron |
9.260 |
3.99"-4.250" |
6 |
1045 Steel |
Std LS 2.56 |
Wet |
1 Pc |
4.25" |
1500+ |
Street/Pro |
|
LSX |
19166097 |
Iron |
9.700 |
3.99"-4.250" |
6 |
1045 Steel |
Std LS 2.56 |
Wet |
1 Pc |
4.50" |
1500+ |
Street/Pro |
|
|
LS Series Heads |
|
Part # |
Origin |
Material |
Port Size |
Valve Angle |
Chamber CC's |
Int Valves |
Exh Valves |
Port Type |
Rocker Stud |
Notes |
|
12564825 |
Bare LS2 & LS6 |
Alum |
210 |
15 degree |
64.5 |
2.00 |
1.55 |
Cathedral |
Bolt |
Bare LS2/LS6 |
|
12564824 |
Stock LS6 |
Alum |
210 |
15 degree |
64.5 |
2.00 |
1.55 |
Cathedral |
Bolt |
Hollow/Sodium filled Valves |
|
12576063 |
Stock LS2 |
Alum |
210 |
15 degree |
64.5 |
2.00 |
1.55 |
Cathedral |
Bolt |
Solid stem valves |
|
88958622 |
CNC LS6 |
Alum |
250 |
15 degree |
61.9 |
2.00 |
1.55 |
Cathedral |
Bolt |
11.2 compression |
|
88958665 |
CNC LS6 |
Alum |
250 |
15 degree |
65 |
2.00 |
1.55 |
Cathedral |
Bolt |
10.5 compression |
|
88958765 |
CNC LS2 |
Alum |
250 |
15 degree |
64.5 |
2.00 |
1.55 |
Cathedral |
Bolt |
Solid stem valves |
|
12582714 |
Bare L76/L92 |
Alum |
260 |
15 degree |
70 |
2.16 |
1.59 |
L92 |
Bolt |
Solid stem valves |
|
12582713 |
Stock L76/L92 |
Alum |
260 |
15 degree |
70 |
2.16 |
1.59 |
L92 |
Bolt |
Solid stem valves |
|
88958698 |
CNC L76/L92 |
Alum |
279 |
15 degree |
68 |
2.16 |
1.59 |
L92 |
Bolt |
Solid stem valves |
|
12598594 |
Stock LS3 |
Alum |
260 |
15 degree |
70 |
2.16 |
1.59 |
L92 |
Bolt |
Hollow/Sodium filled Valves |
|
12578450 |
Bare LS7 |
Alum |
270 |
12 degree |
70 |
2.20 |
1.61 |
LS7 |
Bolt |
Bare LS7 |
|
12578449 |
Stock LS7 |
Alum |
270 |
12 degree |
70 |
2.20 |
1.61 |
LS7 |
Bolt |
Titanium/sodium filled valves |
|
25534428 |
As-cast LS7 |
Alum |
- |
12 degree |
66 |
2.20 |
1.61 |
LS7 |
Bolt |
Titanium/sodium filled valves |
|
12480005 * |
C5R 1st design |
Alum |
210 |
11 degree |
38 |
2.18 |
1.63 |
C5R |
Shaft |
As cast-no seats, guides * |
|
12480090 |
C5R 2nd design |
Alum |
210 |
11 degree |
30 |
2.18 |
1.63 |
C5R |
Shaft |
As cast-no seats, guides |
|
19201807 |
LSX-L92 Small Bore |
Alum |
260 |
15 degree |
70 |
2.00 |
1.55 |
L92 |
Bolt |
Hollow/Sodium filled Valves |
|
19201805 |
LSX-LS3 |
Alum |
260 |
15 degree |
70 |
2.16 |
1.59 |
L92 |
Bolt |
Hollow/Sodium filled Valves |
|
19201806 |
LSX-LS7 |
Alum |
270 |
12 degree |
70 |
2.20 |
1.61 |
LS7 |
Bolt |
Hollow/Sodium filled Valves |
|
19166981 |
LSX-CT |
Alum |
302 |
11 degree |
45 |
2.20 |
1.61 |
LSX-CT/DR |
Shaft |
CNC machined bare head |
|
19166979 |
LSX-DR |
Alum |
313 |
11 degree |
50 |
2.25-2.28 |
1.6-1.65 |
LSX-CT/DR |
Shaft |
CNC machined bare head |
|
|
|
|
|
*Discontinued |
|
|
|
|
|
|
|
|
|
LS Series Head Gaskets & Bolts |
|
Part # |
Engine |
Thickness |
Max Bore |
Description |
|
12589226 |
LS1 & LS6 |
.051" |
3.92" |
Standard LS Bolt Pattern |
|
12589227 |
LS2 |
.051" |
4.02" |
Standard LS Bolt Pattern |
|
12610046 |
LS3 & L92 |
.051" |
4.080" |
Standard LS Bolt Pattern |
|
12582179 |
LS7 |
.051" |
4.140" |
Standard LS Bolt Pattern |
|
19170418 |
LSX |
.051" |
4.100" |
Standard LS & 6-Bolt Pattern Blocks & Heads |
|
19170419 |
LSX |
.051" |
4.200" |
Standard LS & 6-Bolt Pattern Blocks & Heads |
|
19170420 |
LSX |
.051" |
4.250" |
Standard LS & 6-Bolt Pattern Blocks & Heads |
|
17800568 |
1/2004 & up LS Engines |
Includes 15 bolts |
5mm shorter than 1st Design |
|
12498545 |
97-1/04 LS Engines |
Includes 15 bolts |
|
|
|
LS Series Camshafts |
|
Part # |
Description |
Duration @ .050" lift |
Max Lift (In) (1.7 rocker) |
Lobe Seperation |
Technical Notes |
|
5308256 |
2002-2004 LS6 Cam |
I:204 E:218 |
I:550 E:550 |
117.5 |
Cam requires valve spring P/N 12586484 |
|
12560950 |
2001 LS6 Cam |
I:207 E:217 |
I:525 E:525 |
116 |
Cam requires valve spring P/N 12586484 |
|
12480110 |
ASA Cam |
I:226 E:236 |
I:525 E:525 |
110 |
Cam requires valve spring P/N 12586484 "ASA" cam for
off-highway use |
|
12480033 |
Hot Cam Kit |
I:219 E:228 |
I:525 E:525 |
112 |
Kit includes 16 LS6 Valve Springs P/N 12565117 and retainers |
|
88958733 |
LS Hot Cam |
I:219 E:228 |
I:525 E:525 |
112 |
Cam only for Hot Cam Kit 12480033 |
|
19166972 |
LSX-454 Cam |
I:236 E:246 |
I:600 E:600 |
110 |
Max lift with 1.8 rockers .635/.635 |
|
88958606 |
Showroom Stock cam |
I:239 E:251 |
I:570 E:570 |
106.5 |
Showroom Stock racing design, requires hollow intake valves
#12565311, hollow exhaust valves #12565312, valve springs
#12586484, and aftermarket notched pistons or machined stock
pistons |
|
12571251 |
LS7 |
I:211 E:230 |
(1.8 Rocker) I:591 E:591 |
121 |
Stock LS7 camshaft |
|
12561721 |
LS1 2001-2004 LQ9 2002-2006 |
I:196 E:201 |
I:467 E:479 |
116 |
Stock cam for 2002-2006 LQ9 and 2001-2004 LS1 |
|
88958722 |
LS Stage 2 Cam |
I:227 E:239 |
(1.7 Rocker) I:551 E:551 |
108 |
Max lift with 1.8 rockers .583/.583 |
|
88958723 |
LS Stage 3 Cam |
I:233 E:276 |
(1.7 Rocker) I:595 E:595 |
107 |
Max lift with 1.8 rockers .630/.630 |
|
|
LS Series Pistons |
|
Part # |
Engine Size |
Bore Size |
Oversize |
Rod Length |
Pin Type |
Comp Ratio |
With Chamber |
Description |
|
88984245 |
5.7L |
3.898" |
- |
6.098" |
Pressed |
- |
65.00 |
Hypereutectic LS1 & LS6 replacement |
|
88984246 |
5.7L |
3.898" |
+.010" |
6.098" |
Pressed |
- |
65.00 |
Hypereutectic LS1 & LS6 replacement |
|
89017478 |
6.0L |
4.000" |
- |
6.098" |
Floated |
10.90 |
65.00 |
Hypereutectic LS2 & LQ9 replacement |
|
89017479 |
6.0L |
4.000" |
+.020" |
6.098" |
Floated |
10.90 |
65.00 |
Hypereutectic LS2 & LQ9 replacement |
|
12602624 |
7.0L |
4.125' |
- |
6.067" |
Floated |
11.00 |
70.00 |
Hypereutectic LS7 replacement includes Titanium Rod |
|
89018171 |
7.0L |
4.125" |
+.020" |
6.067" |
Floated |
11.00 |
70.00 |
Hypereutectic LS7 replacement |
|
19166957 |
LSX376 |
4.065" |
|
6.098" |
|
Flat |
- |
4032 Forged Aluminum -Piston comes w/ rings |
|
19166958 |
LSX454 |
4.185" |
|
LSX rod |
0.866 |
Dished |
- |
4032 Forged Aluminum - |
|
|
|
LS Rings |
|
Part # |
Bore Size |
Oversize |
Ring Thickness |
Description |
|
12499234 |
3.898" |
- |
1.5, 1.5, 2.5mm |
Set of 8 ring packs, standard size for LS1 & LS6 |
|
12499236 |
4.000" |
- |
1.5, 1.5, 2.5mm |
Set of 8 ring packs, standard size for 1999-2005 LQ4 & LQ9 |
|
12499235 |
3.780" |
- |
1.5, 1.5, 2.5mm |
Set of 8 ring packs, standard size for 1999-2005 5.3L |
|
89017484 |
4.000" |
- |
1.5, 1.5, 2.5mm |
Production ring pack for 2005-2006 LS2 & 2006 L76 |
|
88894243 |
4.000" |
- |
1.5, 1.5, 2.5mm |
Production ring pack for 2005-2006 LQ9 |
|
89017776 |
4.125" |
- |
1.2, 1.2, 2.0mm |
Production ring pack for 2006 LS7 |
|
89017777 |
4.125" |
+.020" |
1.2, 1.2, 2.0mm |
Oversize LS7 ring pack |
|
|
LS Series Push Rods |
|
Part # |
Engine |
Material |
Diameter |
Length |
Description |
|
12593344 |
LS1, LS2, LS3, LS6 & L92 |
1010 Steel |
5/16" |
7.325" |
Production pushrod |
|
12593344 |
LS7 |
1010 Steel |
3/8" |
7.750" |
Production pushrod |
|
|
LS Series Valves |
|
Part # |
Engine |
Position |
Valve Size |
Stem Dia |
|
|
12565311 |
LS6 |
Intake |
2.00" |
8mm |
Hollow Stem |
|
12563063 |
LS2 |
Intake |
2.00" |
8mm |
Solid Stem |
|
12590773 |
L76 & L92 |
Intake |
2.165" |
8mm |
Solid Stem |
|
12605223 |
LSA |
Intake |
2.165" |
8mm |
Solid Stem |
|
12569427 |
LS3 |
Intake |
2.165" |
8mm |
Hollow Stem |
|
12605524 |
LS9 |
Intake |
2.165" |
8mm |
Titanium |
|
12591644 |
LS7 |
Intake |
2.20" |
8mm |
Titanium |
|
12565312 |
LS6 |
Exhaust |
1.50" |
8mm |
Sodium Filled |
|
12563064 |
LS2 |
Exhaust |
1.50" |
8mm |
Solid Stem |
|
12582719 |
L76, L92 & LS3 |
Exhaust |
1.59" |
8mm |
Solid Stem |
|
12605525 |
LS9 |
Exhaust |
1.59" |
8mm |
Sodium Filled |
|
12578455 |
LS7 |
Exhaust |
1.61" |
8mm |
Sodium Filled |
|
17801930 |
LS2 & LS6 |
(4)Intake & (4)Exhaust |
I -2.00" E-1.50" |
8mm |
LS6 Hollow & Sodium Valves |
|
|
LS Series Valve Springs |
|
Part # |
Engine |
Style |
Installed Height |
Open Pressure |
Max Lift |
Description |
|
12586484 |
Standard LS2, LS6 & LS6 |
Beehive Style |
1.800" Installed @ 90# pressure |
1.250" @ 295 # pressure |
.570" |
Individual |
|
12499224 |
Standard LS2, LS6 & LS6 |
Beehive Style |
1.800" Installed @ 90# pressure |
1.250" @ 295 # pressure |
.570" |
Set of 16 P/N 12586484 |
|
12589774 |
Standard L76/L92 Springs |
Beehive Style |
1.800" Installed @ 90# pressure |
1.300" @ 264# pressure |
.530" |
|
|
12578457 |
LS7 |
Beehive Style |
1.960" Installed @ 101# pressure |
1.368" @ 310# pressure |
.600" |
|
|
|
LS Timing Components |
|
Part # |
Engine |
Part |
Oil Pump System |
Description |
|
12588670 |
LS2 |
Timing Chain Dampner |
Standard |
Will not Fil LS1 & LS6 fitted with P/N 88958607 |
|
12581276 |
LS7 |
Timing Chain Dampner |
LS7 2-stage |
1.1mm thinner than 12588670 |
|
12576407 |
LS1, LS2 & LS6 |
1X Camshaft Gear |
- |
3-bolt design; uses (3) bolts P/N 12556127 |
|
12586481 |
LS1, LS2 & LS6 |
4X Camshaft Gear |
- |
3-bolt design; uses (3) bolts P/N 12556127 |
|
12585994 |
L92 - Combination Cam gear and VVT activator |
4X Camshaft Gear |
- |
1-bolt design; use P/N 12588151 |
|
12556582 |
All Non LS7 |
Crankshaft Gear |
Standard |
Works with 12576407 and 12586481 cam sprockets |
|
12581278 |
LS7 |
Crankshaft Gear |
LS7 2-stage |
Works with 12576407 and 12586481 cam sprockets |
|
12586482 |
All LS |
Timing Chain |
- |
Fits all LS 1997-2008 |
|
12585997 |
L92 & LS3 |
Timing Chain Tensioner |
- |
Includes retainer and bolts |
|
12556127 |
LS1,LS2,LS6 & LS7 |
Camshaft Gear bolts |
- |
For use with 3-bolt (non V.V.T.) cams |
|
12588151 |
L92 |
Camshaft Gear bolts |
- |
Combination bolt and valve for variable valve timing - use with
12585994 Camshaft Gear |
|
|
LS Crankshafts |
|
Part # |
Application |
Material |
Reluctor Wheel |
Stroke |
Description |
|
89017522 |
97-04 LS1/LS6 & 2005 LS2 |
Nodular Cast |
24X |
3.622" |
Balanced for 3.898" bore engines |
|
12588612 |
2006 and up LS2 |
Nodular Cast |
58X |
3.622" |
Balanced for 4.00" bore engines |
|
12568820 |
LS7 |
Forged Steel |
58X |
4.00" |
Rebalancing required if LS7 rods and pistons are not used.
2-stage Oil pump |
|
19171619 |
LS |
Forged Steel |
58X |
4.00" |
Rebalancing required if LS7 rods and pistons are not used.
Standard wet sump Oil pump |
|
12559353 |
1997-2005 |
- |
24X |
- |
1997-2005 Reluctor Wheel |
|
12586768 |
2006 and up |
- |
58X |
- |
2006 and newer Reluctor Wheel |
|
89060436 |
All LS |
Rear Main Seal |
- |
- |
Rear Main Seal for all LS engines |
|
LSX Crankshafts |
|
Part # |
Note |
Material |
Reluctor Wheel |
Stroke |
Description |
|
19170388 |
8-bolt flywheel or flexplate required |
4340 premium steel |
58X |
3.622" |
Reguires Balancing |
|
19170389 |
8-bolt flywheel or flexplate required |
4340 premium steel |
58X |
3.750" |
Reguires Balancing |
|
19170390 |
8-bolt flywheel or flexplate required |
4340 premium steel |
58X |
4.00" |
Reguires Balancing |
|
19170391 |
8-bolt flywheel or flexplate required |
4340 premium steel |
58X |
4.125" |
Reguires Balancing |
|
|
LS Connecting Rods |
|
Part # |
Application |
Material |
Piston Fit |
Length |
Description |
|
12568734 |
1997-2004 LS1 & LS6 |
PM |
Press |
6.098" |
Sold Individually |
|
12617570 |
2005-2008 LS2 & LS3 |
PM |
Float - Bronze Bushing |
6.098" |
Sold Individually |
|
12586258 |
LS7 |
Titanium |
Float - Bronze Bushing |
6.067" |
Sold Individually |
|
19166964 |
LSX I-beam |
4340 Forged Steel |
Float - Bronze Bushing |
6.000" |
Set of 8, weight matched - NOT compatible with production
pistons-for use with LSX Pistons INCLUDES 7/16" 12-point SAE
8740 rod bolts |
|
19166965 |
LSX I-beam |
4340 Forged Steel |
Float - Bronze Bushing |
6.100" |
Set of 8, weight matched - NOT compatible with production
pistons-for use with LSX Pistons INCLUDES 7/16" 12-point SAE
8740 rod bolts |
|
19166966 |
LSX I-beam |
4340 Forged Steel |
Float - Bronze Bushing |
6.125" |
Set of 8, weight matched - NOT compatible with production
pistons-for use with LSX Pistons INCLUDES 7/16" 12-point SAE
8740 rod bolts |
|
19166967 |
LSX I-beam |
4340 Forged Steel |
Float - Bronze Bushing |
6.150" |
Set of 8, weight matched - NOT compatible with production
pistons-for use with LSX Pistons INCLUDES 7/16" 12-point SAE
8740 rod bolts |
|
19166968 |
LSX I-beam |
4340 Forged Steel |
Float - Bronze Bushing |
6.200" |
Set of 8, weight matched - NOT compatible with production
pistons-for use with LSX Pistons INCLUDES 7/16" 12-point SAE
8740 rod bolts |
|
11600158 Rod Bolt |
LS6 |
- |
- |
- |
Recommended in Gen III performance engines-Bolts have greater
strength than pre-2000 rod bolts- 1 per package |
|
11609825 Rod bolt |
LS7 |
- |
- |
- |
Required for LS7 builds-bolts are stretch to yield and can not
be reused - 1 bolt per package |
|
89017573 Rod Bearing |
All except LS7/LS9 |
- |
- |
- |
Connecting Rod Bearing - (1) per rod required |
|
89017811 Rod Bearing |
LS7/LS9 |
- |
- |
- |
Connecting Rod Bearing - (1) per rod required |
|
|
|
