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The LT1/LT4 416ci competition long block uses a new GM LT1/LT4 block with 4.070″ bore to produce the 416CI. This long block provides a strong foundation for Boosted engines making up to 1000hp and can be customized to meet your needs.
Block:
- New GM LT1/LT4 Aluminum Block Honed with Torque Plates
- Bore Size 4.070″
- Zero Decked
- Line Honed with ARP Main Studs
- Blueprinted Oil Clearances
- All New GM Block Plugs Installed
- New Durabond Cam Bearings Installed
Pistons:
- Wiseco 2618 Forged Pistons with Armor Glide skirt coating
Bearings:
- King H-Series Main and Rod Bearings
Lifters:
- Johnson OE Lifters (DOD Delete)
Gaskets:
- Cometic MLS Head Gaskets
Crank:
- GM Forged Steel
- Stroke 3.622”
- Wet or Dry Sump Oiling
- Internally Balanced Front and Rear
Rods:
- Callies Comp Star 4340 Forged Steel H-Beam
- 6.125” Length
- ARP 2000 Rod Bolts
Rings:
- Wiseco GFX Stainless Steel
Camshaft:
- BTR Billet Hyd Roller Camshaft, Custom Grind
Timing Sets:
- Cloyes Billet Roller Timing Set
Oil Delivery:
- GM Oil Pump, either wet or dry sump
CYLINDER HEAD SPECIFICATIONS
Type:
- CNC Ported LT1 with REV Stainless Steel Valves and BTR Racing Double Polished valve springs and Titanium retainers
Head Bolts:
- ARP Performance
Rocker Arms:
- GM Rockers with BTR Trunion upgrade kit installed
Pushrods:
- BTR 5/16 Hardened Pushrods
