Holden 304/5.0L HP2 series Engine rebuild kit


Compare and save, most other suppliers do not include Full quality gasket set, Cam bearings, Welsh plugs & assembly lube, valued at $250.00, These are the best quality & best value kits on the market today, bar none.

Dyno proven performance package…

HP-series engine kits are designed to transform your tired old 304/5.0L to better than new. This is a top quality precision parts kit, we refuse to substitute rubbish parts for price!

  • Product Line:    SRP, Hastings, ARP, King, Durapro.
  • Condition:    New.
  • Quantity:    Premium parts sold as a set with assembly lube:
    • Part #:    EKH304-HP2 Engine kit.
    • Part #:    Pistons: SRP Forged alloy.
    • Part #:    Rings: Hastings/Speedpro Moly.
    • Part #:    Bearings: ACL Race Series – Main, Conrod and Cam bearings supplied.
    • Part #:    Gasket set: AA/Durapro full gasket set with Graphite head gaskets & seals.
    • Part #:    Conrod bolts: ARP wavelock.
    • Part #:    Welsh plugs: (10) Brass cup 1-5/8”  (1) Cam plug.
  • Application:    Holden V8 304 5.0L EFI Petrol Engines.
  • Application:    Holden Commodore VN, VR, VS series – 1, 304/5.0L.
  • Application:    Holden Statesman VQ, VR, VS series – 1, 304/5.0L.
  • Notes:    Flat top pistons, 9.92:1 comp/ratio with 61cc heads(VN – VS).
  • Notes:    Flat top pistons, 10.31:1 comp/ratio with 58cc heads (VT).
  • Notes:    Phone for availability on size! We normally stock most sizes.

“All new parts sold come with full manufacturer’s warranty”
Check your engine compression ratio with our online calculator:

Weight 11 kg
Dimensions 18 × 65 × 30 cm
Bore Size

.030", .040", .060"

Big End Bearing Size

.001", .010", .020", Standard, X Standard

Main Bearing Size

.001", .010", .020", Standard, X Standard


Port City Engines


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