Chev 383 HP1 performance stroker engine kit



Dyno proven performance package…

High performance stroker kits from Scat are designed to transform your 350 Chev to 383 cubic inch capacity.  This is a top-quality precision parts kit, we refuse to substitute rubbish parts for price!

  • Product Line:    Scat, Speed Pro, Hypatec, Hastings, King/ACL, Durabond, Fel-Pro.
  • Condition:    Brand New.
  • Quantity:    Premium parts sold as a set:
  • Part #:    EKC383-HP1-57
    • Part #:    Pistons:  Speed Pro Hypereutectic Alloy Dish Top with -12cc Dish, or Hypatec Flat Top Pistons with 8.0cc Valve Reliefs.
    • Part #:    Rings:  Hastings/Speed Pro Moly Ring Set.
    • Part #:    Bearings:  King/ACL Conrod & Main (Large Journal) Bearings.
    • Part #:    Bearings:  ACL/Durabond Cam Bearings.
    • Part #:    Gasket Set:  Fel-Pro Full Gasket Set with Premium Quality Head Gaskets & Seals.
    • Part #:    Welsh Plug Kit:  Contains: 8 x 1-5/8” Brass Plugs, 1 x 2-7/64” Cam Plug, 3 x 33/34” Brass Plugs & 3 x ¼” NPT Pipe Plug.
    • Part #:    Crankshaft:  Scat 9000 Cast Nodular Iron, 3.750” Stroke, 5.700” Rod Length, 2.100” Conrod Journal, 350 Mains. Designed for External balance.
    • Part #:    Conrods:   Scat I – Beam, 5.700” Rod Length, 2.100” Conrod Journal, .927” Pin Diameter, Press Pin or Bushed, fitted with ARP 3/8” 12 – Point 8740 Cap Screw bolts.
  • Application:    Chevrolet V8 350 5.7L 16V Large Journal Petrol Engines.
  • Application:    Chevrolet Various Models.
  • Application:    Holden HT, HG, HQ models 05/69 – 10/74.
  • Notes:    Phone for availability on size! We normally stock most sizes.
  • Notes:    Cylinder block may need to be relieved for clearance.
  • Notes:    We will use TNT Couriers. Please have a Business Address for delivery. If needs to be delivered to a residential address, please give “Authority to Leave” in a safe place.

“All new parts sold come with full manufacturer’s warranty”

Check your engine compression ratio with our online calculator:
Dimensions 28 × 67 × 32 cm

Full Engine Balance, No Balancing Required

Bore Size

.020", .030", .040", .060", Standard

Crank Seal Type

1 Piece Rear Main Seal – Vortec Engine, 2 Piece Rear Main Seal – Early Chev


Scat/Speed Pro/Hastings


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