Circle Track 383 "Sportsman" (BP3839CT) Engine Specs

BP_CT_sportsman_med

420 HP/430 ft/lbs
$2,995.00

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PART NUMBER: BP3839CT
BLOCK:
  • 4 bolt main
  • Square and parallel decked
  • Align honed main bearing bore
  • Cylinders honed on computer controlled marchine to within .0002 straitness and roundness
  • Cylinders are sonic tested for thickness
ROTATING ASSEMBLY:
  • New SCAT cast iron crankshaft
  • Keith Black Hyperuetectic flat top pistons
  • Hastings moly rings
  • Balanced rotating assembly
  • Melling high volume oil pump
  • Flat tapped solid lifter camshaft
  • Heavy duty double roller timing set
CYLINDER HEADS:
  • GM 305 straight plug heads
  • 1.437 dia valve springs
  • Hardened retainers and keepers
  • 2.02 swirl polished intake valves
  • 1.60 swirl polished exhaust valves
  • Elgin hardened push rods
  • Long slot rockers with positive lock adjusting nuts
A TON OF EXTRAS:
  • Professional Products aluminum single plane high-rise manifold
  • 11:1 compression
  • Stell cirlce track valve covers with left side breathers
  • 7 quart left turn baffled circle track oil pan
  • Professional Products harmonic balancer
CRITICAL SPECS:
CAM:
.537 Int / .555 Exh & 258 Int / 266 Exh duration @ .050 - 105 degree lobe sep.
HORSEPOWER: 420
TORQUE: 430
COMP. RATIO: 11 to 1
WARRANTY: WARRANTY DOES NOT APPLY TO RACE ENGINES.