Competition LS1 & LS6 Rotating Assemblies

 

All Eagle Competition assemblies include our forged 4340 chromoly crankshaft, our forged 4340 chromoly H-beam rods, forged JE pistons, Clevite77 race bearings, and JE Rings. All are designed for internal balance.

Recommended for use up to 750 HP (1500 HP with optional ARP L-19 bolts)

 

LS1, LS6, LS2, & 6.0L kits (LS1 & LS6 bore size 3.905", LS2 & 6.0L bore size 4.000")

unbalanced

part no.

 stroke

disp.

 rod length pistons rings

compression ratio
66cc 72cc

bore sizes available
3.905 4.005 4.030 4.060 4.125

unbalanced

price

balanced

part no.

 balanced price
12800 3.622 347 6.125 -2cc flat top file fit
10.2 9.5
         
2623.75 B12800 2873.75
12802 3.900 374 6.125 -2cc flat top file fit
10.8 10.0
         
2623.75 B12802 2873.75
12804 4.000 383 6.200 -2cc flat top file fit
11.0 10.4
         
2623.75 B12804 2873.75
12820 3.900 398 6.200 -29cc dish file fit
8.8 8.4
         
2623.75 B12820 2873.75
12822 4.000 408 6.125 -29cc dish file fit
9.0 8.6
         
2623.75 B12822 2873.75
12826 4.000 408 6.125 -2cc flat top file fit
11.3 10.6
         
2623.75 B12826 2873.75

Tall Deck Height Kits (9.800" Warhawk block)

unbalanced

part no.

 stroke

disp. @4.030

 rod length pistons rings

compression ratio
112cc 118cc

bore sizes available
4.030 4.060 4.125

unbalanced

price

balanced

part no.

 balanced price
12922 4.250 434 6.560 -29cc dish file fit
9.0 8.5
     
2906.25 B12922 3156.25
12926 4.250 434 6.560 -2cc flat top file fit
9.9 9.3
     
2906.25 B12926 3156.25