1000hp 370ci LSx
1000hp rated 370ci LS Long Block.
COMPLETE LONG BLOCK with oil pump, oil pan, front and rear covers, valley cover and valve covers.
Based on a seasoned Gen IV 6.0L Iron short block with Callies rods, CP Forged pistons and Cathedral port heads. Other options available in the drop down menus.
Twin Turbo, Single Turbo or supercharged.
x58 reluctor wheel.
Please contact us before ordering this engine to discuss your exact requirements.
1000hp LS Engine for Forced Induction applications (370ci)
FULLY BLUEPRINTED & BALANCED
- 1000hp rated LS engine
- Bore & stroke – 4.030” x 3.622”
- Engine size – 370ci (408ci also available)
- Chamber CC’s – 62cc
- Piston Dish – 21cc
- Static compression ratio – 9.04:1
- Head gasket compressed thickness – 0.054”
- Valve spring open pressure TBD
- Seat pressure – TBD
- Spring height – TBD
- Hydraulic Roller
- Lift – Intake .605” / Exhaust .610”
- Duration – 226* / 232* @ .050”
- Cam Timing – 114* Lobe separation/109* Intake centreline
- Other Camshaft specs available
- Seasoned Gen IV 6.0L Iron block magna fluxed & ultra sonic cleaned (Dart SHP LS Next also available)
- Block honed & decked with torque plates
- ACL Race series coated main bearings
- ACL Race series coated con rod bearings
- Durabond coated cam one piece cam bearings
- Balanced & magna fluxed GM 3.622” crankshaft (Callies 4.00″ also available)
- Callies Compstar 6.125” rods with ARP 2000 rod bolts
- CP Carrillo Forged pistons -21cc dish
- Melling 10296 HV/HP oil pump
- Holley 302/3 oil pan (Please specify vehicle!)
- ICT Billet oil feed
Top End Spec:
- IWIS Billet single timing set
- GM Lifter trays
- LS7 lifters
- ARP Pro head studs
- GM MLS head gaskets
- Cathedral port heads (please select)
- Stainless Intake & Exhaust Valves
- BTR Stage 2 twin turbo cam kit (others available)
- 660” Platinum valve springs
- Titanium retainers
- Valve stem seals
- BTR spring cups
- Chromoly push rods 7.400
- ARP Cam bolts
- Mahle Cam retaining plate & bolts
- GM LS1 1.7:1 Rockers
- GM LS1 Rocker stand
- C.H.E Bronze bearing trunnion kit
- Gasket kit
- Oil Filter
- Front & Rear covers
- Core Plugs
- Oil Gallery dog bone
- Billet Valley Cover (ACE or ICT)
- Valve covers (ACE, ICT or Holley)
- Dipstick and tube
- Windage Tray
- Oil filler cap
- 12 point Hardware
Engine is not supplied with damper or flexplate.
These can be supplied as extras, please specify transmission and front accessory drive set up.
We recommend Holley or FuelTech EFI for this engine.
1000hp is based on a twin turbo, single turbo or supercharged application with a good tune. Engines must be tuned professionally.
Dyno service available. Break-in, HP readout and tunes saved prior to engine being shipped out.
Ideal for daily drivers & street/strip cars.
Other options also available.