Our Holden Custom crate engines are all designed with the best combination of power and reliability in mind to suit HP-Street, Oval track speedway racing, Circuit racing, Drag racing, and Marine sport. “What you get” with your Custom Crate Engine is a precision machined, blueprinted and balanced engine using the best components for the level that your engine is designed for, no short cuts, no exceptions. Only available from Port City Engines…
All complete long motors are run-in and tested on our Superflow SF-902 engine dyno before delivery for your complete satisfaction. (Dyno results included)

Holden 308

HP-1  Performer  series

Base Long engine

Holden 308 engine – 10.0:1-C/R

The Holden 308 HP1 Long engine includes a fully machined, blueprinted & balanced long motor, including HP heads with over size valves and pocket ported.

Including: High volume oil pump, Chrome rocker covers, oil cap & breather and a K&N oil filter .Dyno’d, Run-in and ready to install!

Cubic Inch 312 ci
Bore & Stroke 4.030″ – 3.062″
Horsepower312 hp @ 5000rpm
Torque 355 ft/lbs @ 4000rpm
Recommended Fuel95+ premium unleaded

$8650

H308HP1-LM
Pricing does not include engine core cost
(change over required)

More Details
Block: Hot tank cleaned, crack tested, sonic tested, main tunnel line honed, decks machined to zero deck height & true to crankshaft centre line, bored & plateau honed with torque plates, cam bearings fitted, core plugs & cam plug fitted.
Crankshaft: OEM crankshaft, Hot tank cleaned, Crack tested, Ground, balanced and linished.
Con-rods: OEM conrods, Re-Sized and balanced with new ARP bolts.
Heads: Cleaned, crack tested, new bronze valve guide liners, surfaced, valve seats machined with special contoured profile & mild ported, assembled with new larger valves, valve springs, retainers, collets and corrected spring pressures.
Pistons: Hypereutectic pistons.
Rings: Hastings or Sealed Power moly rings.
Bearings: ACL, King or Clevite bearings.
Gaskets: Durapro or Fel-Pro gaskets.
Camshaft: Crow Cams 5603 camshaft.
Lifters: Hydraulic flat tappet.
Valve Springs: Crow Cams performance springs.
Valve Train: New lifters, valve springs, retainers, collets, valve seals, pushrods & timing set.
Timing Set: Crow double row roller chain with new cnc gears.
Oil Pump: High Volume oil pump.
Balancer: Nuline/Powerbond balancer.
Fasteners: ARP rod bolts & standard fasteners .
Core Plugs: Brass.
Oil: K&N Z30 oil filter, Tritech Lubricants running in oil.
Rocker Covers: New chrome rocker covers.

Base ready to run engine

Holden 308 engine – 10.0:1-C/R

The Holden 308 HP1 Ready2Run engine includes a fully machined, blueprinted & balanced long motor, including HP heads with over size valves and pocket ported.

Including: High Energy Oil pan, High volume oil pump, Edelbrock performer manifold & Air Filter, Holley 650 carby, MSD Ready2Run distributor, MSD blaster SS coil, 9mm Eagle leads, Chrome rocker covers, oil cap & breather and a K&N oil filter.

Cubic Inch 312 ci
Bore & Stroke 4.030″ – 3.062″
Horsepower312 hp @ 5000rpm
Torque 355 ft/lbs @ 4000rpm
Recommended Fuel95+ premium unleaded

$10895

H308HP1-RR
Pricing does not include engine core cost
(change over required)

More Details
Block: Hot tank cleaned, crack tested, sonic tested, main tunnel line honed, decks machined to zero deck height & true to crankshaft centre line, bored & plateau honed with torque plates, cam bearings fitted, core plugs & cam plug fitted.
Crankshaft: OEM crankshaft, Hot tank cleaned, Crack tested, Ground, balanced and linished.
Con-rods: OEM conrods, Re-Sized and balanced with new ARP bolts.
Heads: Cleaned, crack tested, new bronze valve guide liners, surfaced, valve seats machined with special contoured profile & mild ported, assembled with new larger valves, valve springs, retainers, collets and corrected spring pressures.
Pistons: Hypereutectic pistons.
Rings: Hastings or Sealed Power moly rings.
Bearings: ACL, King or Clevite bearings.
Gaskets: Durapro or Fel-Pro gaskets.
Camshaft: Crow Cams 5603 camshaft.
Lifters: Hydraulic flat tappet.
Valve Springs: Crow Cams performance springs.
Valve Train: New lifters, valve springs, retainers, collets, valve seals, pushrods & timing set.
Timing Set: Crow double row roller chain with new cnc gears.
Oil Pump: High Volume oil pump.
Balancer: Nuline/Powerbond balancer.
Fasteners: ARP rod bolts & standard fasteners .
Core Plugs: Brass.
Ignition: Autolite Spark Plugs, MSD Ready2Run distributor, MSD Blaster SS coil & Eagle 9mm lead set.
Intake: Edelbrock Performer manifold, Edelbrock chrome air filter & Holley 650cfm carb.
Cooling: GMB brand water pump with cast impellor.
Oil: K&N Z30 oil filter, Tritech Lubricants running in oil.
Rocker Covers: New chrome rocker covers.

Base Sub engine

Holden 308 engine – 10.0:1-C/R

The Holden 308 HP1 Sub engine includes a fully machined, blueprinted & balanced sub motor.

Including: Camshaft, Lifters, Timing cover, multi keyway timing set, High volume oil pump, K&N oil filter.

Cubic Inch 312 ci
Bore & Stroke 4.030″ – 3.062″
Horsepower312 hp @ 5000rpm
Torque 355 ft/lbs @ 4000rpm
Recommended Fuel95+ premium unleaded

$5795

H308HP1-SUB
Pricing does not include engine core cost
(change over required)

More Details
Block: Hot tank cleaned, crack tested, sonic tested, main tunnel line honed, decks machined to zero deck height & true to crankshaft centre line, bored & plateau honed with torque plates, cam bearings fitted, core plugs & cam plug fitted.
Crankshaft: OEM crankshaft, Hot tank cleaned, Crack tested, Ground, balanced and linished.
Con-rods: OEM conrods, Re-Sized and balanced with new ARP bolts.
Pistons: Hypereutectic pistons.
Rings: Hastings or Sealed Power moly rings.
Bearings: ACL, King or Clevite bearings.
Gaskets: Durapro or Fel-Pro gaskets.
Camshaft: Crow Cams 5603 camshaft.
Lifters: Hydraulic flat tappet.
Valve Train: New lifters & timing set.
Timing Set: Crow double row roller chain with new cnc gears.
Oil Pump: High Volume oil pump.
Balancer: Nuline/Powerbond balancer.
Fasteners: ARP rod bolts & standard fasteners .
Core Plugs: Brass.

Base short engine

Holden 308 engine – 10.0:1-C/R

The Holden 308 HP1 Sub engine includes a fully machined, blueprinted & balanced short motor.

Including: fully machined block assembled with crankshaft, pistons & rods.

Cubic Inch 312 ci
Bore & Stroke 4.030″ – 3.062″
Horsepower312 hp @ 5000rpm
Torque 355 ft/lbs @ 4000rpm
Recommended Fuel95+ premium unleaded

$4095

H308HP1-SM
Pricing does not include engine core cost
(change over required)

More Details
Block: Hot tank cleaned, crack tested, sonic tested, main tunnel line honed, decks machined to zero deck height & true to crankshaft centre line, bored & plateau honed with torque plates, cam bearings fitted, core plugs & cam plug fitted.
Crankshaft: OEM crankshaft, Hot tank cleaned, Crack tested, Ground, balanced and linished.
Con-rods: OEM conrods, Re-Sized and balanced with new ARP bolts.
Pistons: Hypereutectic pistons.
Rings: Hastings or Sealed Power moly rings.
Bearings: ACL, King or Clevite bearings.
Fasteners: ARP rod bolts & standard fasteners .
Core Plugs: Brass.

Base engine kit

Holden 308 engine – 10.0:1-C/R

The Holden 308 HP1 engine kit includes a fully machined, blueprinted, & balanced un-assembled short block kit.

Including: Pistons, rings, bearings, gaskets, Scat rods & crankshaft.

Cubic Inch 312 ci
Bore & Stroke 4.030″ – 3.062″
Horsepower312 hp @ 5000rpm
Torque 355 ft/lbs @ 4000rpm
Recommended Fuel95+ premium unleaded

$3195

H308HP1-SK
Pricing does not include engine core cost
(change over required)

More Details
Block: Hot tank cleaned, crack tested, sonic tested, main tunnel line honed, decks machined to zero deck height & true to crankshaft centre line, bored & plateau honed with torque plates, cam bearings fitted, core plugs & cam plug fitted.
Crankshaft: OEM crankshaft, Hot tank cleaned, Crack tested, Ground, balanced and linished.
Con-rods: OEM conrods, Re-Sized and balanced with new ARP bolts.
Pistons: Hypereutectic pistons.
Rings: Hastings or Sealed Power moly rings.
Bearings: ACL, King or Clevite bearings.
Gaskets: Durapro or Fel-Pro gaskets.
Fasteners: ARP rod bolts & standard fasteners .
Core Plugs: Brass.

Cylinder Heads

Holden 308 engine – 10.0:1-C/R

The Holden V8 308 HP1 cylinder heads are reconditioned OEM heads fully machined with new oversize valves, pocket ported and assembled with new springs, retainers and collets.

Cubic Inch 312 ci
Bore & Stroke 4.030″ – 3.062″
Horsepower312 hp @ 5000rpm
Torque 355 ft/lbs @ 4000rpm
Recommended Fuel95+ premium unleaded

$1650

H308HP1-H
Pricing does not include engine core cost
(change over required)

More Details
Heads: Cleaned, crack tested, new bronze valve guide liners, surfaced, valve seats machined with special contoured profile & mild ported, assembled with new larger valves, valve springs, retainers, collets and corrected spring pressures.