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Sleeved LS block 388/427/434CI
Sleeved LS block 388/427/434CI
Gen IV 402ci Aluminum Long Block
  Pin It  $9,133.00
Gen IV 402ci Aluminum Long Block
Click to enlarge

LS2 402CI Aluminum short block forged rotating assembly STAGE 3
Blueprinted GM block 6.0 Gen IV ls2 ALUMINUM
king racing main bearings HP
King racing rod bearings HP
Thompson Motorsports single piece racing cam bearings
K1 forged crankshaft with reluctor 4.000"
K1 4340 forged H-beam connecting rods with ARP 2000 rod bolts
Wiseco Pistons
4.005 Bore
4.000 Stroke
1.110 CH
for 6.125 rods with .927 pins
premium steel top ring stack included
12 month unlimited mileage warranty with the purchase of a new Melling oil pump from TMS
This short block is rated to 900HP (1100HP with ARP main stud upgrade)`

GMPP Ls3 CNC ported heads/GM valves
GM CNC Ported LS3 heads
PAC .660" dual springs
Thompson Motorsports custom ground Camshaft
Thompson Motorsports custom length Chromoly pushrods
ARP Head bolts
Melling Select High pressure/volume oil pump 
Billet adjustable timing set
Thompson Motorsports high RPM lifter set 
GM Rocker assembly cores
GM MLS head gaskets
GM lifter treys
Thompson motorsports Professional assembly and 12 month unlimited mileage warranty

Cam Motion custom camshaft
5150 core
3 bolt core
Rocker ratio: 1.7
Intake lift: .629
Exhaust lift: .629
Intake duration @.050": 240
Exhaust duration @.050": 256
LSA: 113
ADV: +4

This product was added to our catalog on Tuesday 26 February, 2019.
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