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YOUTUBE
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LS1 Crate Engine
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| Chevy 402 CI Stroker LS1 Cast Iron Long Block For Forced Induction
Can Handle up to 18 Lbs of Boost
Block
LQ9 Cast Iron Block
One piece rear main seal 4 bolt main
Premium core.
Cylinder Heads
72cc Aluminum LS Heads
Titanium Retainers
Dual Valve Springs
Hardened Locks
3 angle competition valve job
Valve Train
Performance Hydraulic Roller Cam 225/229 580/ 590 114
High Performance Hydraulic Roller Lifters.
Performance Roller Timing Chain
1.7 Ratio Roller Rocker Arms
Rotating Assembly
Keith Black Forged Pistons 8.9:1 CR
Forged Full Floating H beam Rods
4340 Forged Stroker Crankshaft
Internally Balanced rotating assembly
(No core return required)
Optional Upgrade (call to add to order)
ARP Main Studs Installed $225
ARP Head Studs Upgrade $259
Aluminum Roller Rocker Upgrade $425
CNC Ported Heads stage 2 $1199
CNC Ported Heads stage 3 $1299 (Perfect for forced induction) | Crate Engine Cost: $6,999 |
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Disclaimer
Promar Reserves the right to change manufacturers and specs without notice. HP and TQ ratings are based on actual results on a
engine dyno with open headers in controlled environment tuned for maximum performance.
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