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Chevy Small-Block LS Series v-8<br />
CYLINDER BLOCK COMPONENTS<br />
Front Covers<br />
A. 19153789<br />
Bare Block Completion K<strong>it</strong>, Gen III<br />
• Includes all parts to <strong>com</strong>plete a Gen III bare block<br />
The k<strong>it</strong> includes:<br />
12561243<br />
LS1, LS6 Front Timing Cover (not shown)<br />
• For LS1 and LS6 engines<br />
• No cam sensor<br />
Part Number Qty Description<br />
12577927 1 Valley Cover<br />
12561211 1 Cam Sensor<br />
12561243 1 Front Cover (w<strong>it</strong>h seal)<br />
1453658 2 Transmission Alignment Dowel<br />
12589016 1 Cam Retainer Plate<br />
11561455 4 Cam Retainer Bolts<br />
12588670 1 Timing Chain Damper<br />
12560228 1 Crankshaft Sensor<br />
12570326 4 Head Locating Dowels<br />
12551162 4 Lifter Guide<br />
12615666 1 Rear Cover (w<strong>it</strong>h seal)<br />
varies - Required Water and Oil Plugs<br />
varies - Required Mounting Bolts<br />
B. 25534412<br />
Oil Hose Adapters<br />
• K<strong>it</strong> adapts the production LS7 Oil Pan to aftermarket<br />
AN style hoses for aftermarket dry sump oil tanks<br />
• Bolts directly to LS7 Oil Pan, and has AN male<br />
outlet for AN -12 f<strong>it</strong>tings<br />
• Includes 1 adapter, 2 f<strong>it</strong>tings, 2 bolts, and<br />
2 sealing gaskets<br />
89017877<br />
Main Bearing (not shown)<br />
• Pos<strong>it</strong>ions 1,2,4,5<br />
• Requires 4 per engine<br />
• For LS7 and LS9 engines<br />
A Bare Block Completion K<strong>it</strong>, Gen III Front Timing Cover D<br />
D. 12600325<br />
LS2, LS3 Front Timing Cover<br />
• Includes seals and bolts<br />
• For LS2 and LS3 engines<br />
• Gen IV cam sensor included<br />
12616491<br />
L92 Front Timing Cover (not shown)<br />
• Includes seals and bolts<br />
• For engines w<strong>it</strong>h VVT such as L92<br />
• Gen IV cam sensor included<br />
12598292<br />
LS7 Front Timing Cover (not shown)<br />
• Includes seals and bolts<br />
• Also f<strong>it</strong>s LS9 engines<br />
• Required for 2-stage oil pump clearance<br />
• Gen IV cam sensor included<br />
E. 88958679<br />
LS Front Distributor Drive Cover<br />
• Assembly is manufactured for applications where<br />
a 4-barrel carburetor and distributor are required<br />
• For all LS series engines except LS7 and LS9<br />
NOTE: Distributor and mechanical fuel pump not included.<br />
Uses Small-Block Ford style distributor and mechanical fuel<br />
pump. Special water pump, accessory drive and damper<br />
required.<br />
12574294<br />
Front Cover Gasket (not shown)<br />
• For all LS Series engines<br />
Chevy Ls Series<br />
C. 89017808<br />
Main Bearing<br />
• Thrust bearing, pos<strong>it</strong>ion 3<br />
• For LS7 and LS9 engines<br />
12585673<br />
Front Crank Seal (not shown)<br />
• For all LS Series engines<br />
88894271<br />
Main Bearing (not shown)<br />
• Pos<strong>it</strong>ions 1,2,4,5<br />
• Requires 4 per engine<br />
• For non-LS7 engines<br />
89017572<br />
Main Bearing (not shown)<br />
• Thrust bearing, pos<strong>it</strong>ion 3<br />
• For non-LS7 engines<br />
B<br />
Oil Hose Adapters<br />
LS Front Distributor Drive Cover<br />
E<br />
11515758<br />
Front Cover Bolt (not shown)<br />
• Requires 8 per engine<br />
• For all LS Series engines<br />
Rear covers<br />
F. 12614813<br />
Rear Block Cover<br />
• Includes seals and bolts<br />
• For all production LS engine blocks (will not work on<br />
LSX blocks)<br />
19166179<br />
LSX Rear Block Cover<br />
• Does not include bolts or seals<br />
• For use on LSX blocks only<br />
89060436<br />
Rear Crank Seal (not shown)<br />
• For all LS Series engines<br />
C<br />
Main Bearing<br />
Rear Block Cover<br />
F<br />
Available for purchase online at<br />
gmperformanceparts.<strong>com</strong><br />
202 Buy online at www.gmperformanceparts.<strong>com</strong> 203
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