Port city engines

Holden 355 HP1 performance stroker engine kit – Cast pistons/I-Beam rods – EKH355-HP1-57

$2,885.15$3,500.65

Unlock the full potential of your Holden with our high-performance 355 stroker kit. Enhance power and torque for an exhilarating driving experience, featuring premium components for durability and precision. Perfect for enthusiasts seeking to boost performance and enjoy the thrill of the road.

Description

Dyno proven performance package…

High performance stroker kits from Scat are designed to transform your 304/5.0L Holden to 355 cubic inch capacity. This is a top quality precision parts kit, we refuse to substitute rubbish parts for price!

Product Line:    Scat
Condition:    New
Quantity:    Premium parts sold as a set:

Included Components in EKH355-HP1-57 Stroker engine kit:

  • Pistons:  SpeedPro or Hypertec Hypereutectic alloy, some with coated skirts
  • Rings:  Hastings/Speedpro Moly
  • Bearings:  King/ACL – Main, Conrod and Cam bearings supplied
  • Gasket set:  Platinum full gasket set with Graphite head gaskets & seals
  • Welch plugs:  (10) Brass cup 1-5/8”  (1) Cam plug
  • Crankshaft:  Scat 9000 cast nodular iron 3.480” stroke, 2.124” c/r journals, rope seal, designed for internal balance
  • Conrods:   Scat I-beam, 5.7” long, bushed floating small end, fitted with ARP 8740 bolts.
Application:

Compatible with various Holden models, including:

  • Holden V8 308, 304/5.0L Petrol engine
  • Holden HT, HG, HQ, HJ, HX, HZ V8 308ci 1969 – 80
  • Holden Torana LH, LX V8 308ci 1974 – 78
  • Holden Commodore VB, VC, VH, VK, VL V8 308ci 1978 – 86
  • Holden Commodore VN, VR, VS series – 1 V8 304/5.0L 1988 – 97
  • Holden Commodore VS series – II VT V8 304/5.0L 1997 – 99
  • Holden Statesman VQ, VR, VS series – 1 V8 304/5.0L 1990 – 95
  • Holden Statesman VS series – II V8 304/5.0L 1995 – 99
Notes:
  • Dish top 12cc pistons, 10.1:1 comp/ratio with 58cc heads
  • Dish top 18cc pistons available, 9.5:1 comp/ratio with 58cc heads
  • Flat top pistons with narrow rings are also available with 5.0cc reliefs, 11.0:1 comp/ratio with 58cc heads. (add $85.00)
  • Flat top pistons with narrow rings are also available with 8.0cc reliefs, 10.6:1 comp/ratio with 58cc heads. (add $85.00)
  • Cylinder block must be relieved for clearance on all early blocks, pre VT

“All new parts sold come with full manufacturer’s warranty”
Check your engine compression ratio with our online calculator:
https://pcengines.com.au/calculate-dynamic-compression-ratio

Additional information

Weight38 kg
Dimensions27 × 80 × 30 cm
Bore Size

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

Piston Type

Dish top – 18cc, Dish top – 12cc, Flat top pistons, Flat top with valve reliefs – 5cc, Flat top with valve reliefs – 8cc

Balancing

Full Engine Balance, No Balancing Required

Rear Main Seal

Neoprene conversion seal + $65, Neoprene rear main seal, Rope rear main seal

Brand

Port City Engines

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