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Without labour costs, this is pretty much the cheapest forged build you can do:

HKS Forged 87mm Pistons - $1137

Argo forged conrods $1100

HKS Gasket Kit 1.0mm 87.5mm bore - $323

Nismo N1 Bearings - $250

ARP Rod bolts - $100

Block machinging and decking - $200

Head service - $450

JUN Valve guides - $395

Remove and resit valve guides - $240

JUN Strengthened Head Bolts - $400

Cambelt - $50

JUN Oil Pump - $920

All prices taken from Greenline.jp

If you don't do valve-guides or oil pump, you risk doing another motor.

Other things I'd suggest doing while the motor is out:

TOMEI Poncams + Gears - $862

TRUST sump extension - $355

Then you have labour costs on top of that.

Yeah depends on whether you want to do a stock rebuild or an upgrade rebuild. If youre just talking rings and seals an a clean out...? Then there are things like crack testing blocks, balancing teh crankshaft, decking the block, relinishing your cylinder bores etc...

call a couple of places and get quotes for a stock rebuild, a rebuild with a bit more strength and reliability, then for a fairly full on rebuild like the one above.

I think the best answer is, it costs as muc as you are willing to spend to get the desired result.

I had mine rebuilt pretty much back to stock. The only thing I changed was the pistons, I went forged because the standard ones were $2000.

Heres what I had done

Total Rebuild with forged pistons came to $6040.77

Break down of price

Engine reconditioning works: $1012.60, what was conducted is as follows.

-Degrease & hot tank long motor

-Engine block bore & hone

-Surface grind head

-Measure & linish crank shaft

-Dismantle, check tunnels, check conrods, crank & pistons

-Vacum test, dismantle & inspect cylinder head

-Bleed down hydraulic, fit valve stem seal

-Supply main bearings

-Supply conrod bearings

Misc. Parts.

-Set of JE Forged pistons rings inc. $1660

-Full gasket rebuild kit $358.84

Dismantle & Reassemble engine(Incl assembly of head) $799

4 Liters of running in engine oil $32.65

2.5 Liters of Diff oil $20.68

6 Platinum spark plugs $108

Engine timing belt $109

52 Hours labor to remove head and engine, reinstate $1960

engine after it was rebuilt, road test, bed in new rings

& service

As you can see my labour was cheap so you may/may not have to add a little there.

Hope that helps

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