Category: Racing Parts
Price: $1500
Part Fits: 93-02 Chevrolet Camaro, 93-02 Pontiac Firebird, Corvette, 04-06 Pontiac GTO, 04+ Cadillac CTS-V
Location (State): OH
Item Condition: Used
Shipping Information: Item Can be Shipped
Engine: LS1/LS6, Small Block
LS Engine?: Fits LS Engine

Tea (Total Engine Airflow) 5.3l stg 3 heads
here are the details from their site

Package includes:
Full CNC poring of Intake,exhaust and Combustion chamber
to 225 cc intake runner volume, competiton multi angle valve job,
installation of larger intake and exhaust seats,with hand finishing.
Built on brand new 5.3 castings (included in price)
Ferrea 2.055 intake valves, Rev 1.57 exhaust valves
63cc Combustion Chamber (can be milled smaller)
Asssembled with dual gold .650" lift hydraulic roller springs,
titanium retainers,and gm seals.
Flow sheet with intake and exhaust included.
This head is designed for use on 3.900" bore motors
and flows great. It WILL require flycutting of pistons
for valve reliefs with camshafts over 226*@.050".
Will make best power with a lsx 90 intake and 1 3/4" or
larger headers. We have customer's who have made well over
450RWHP using this head on stock 5.7's!
and the flow numbers are

Flow Data
LS1 5.3 Stage 3
Lift Intake Exhaust
.100" 67.4 55.1
.200" 143.2 115.3
.300" 211.3 157
.400" 257.3 200.6
.500" 299.1 255.7
.550" 315.2 268.3
.600" 326.5 276
.650" 328.3

the heads have recently been milled so the chambers should be about 59cc-60cc
asking 1500 shipped OBO
you can email me at borisxo@hotmail.com or call/txt me at 248-219-8783

 

How many miles were they ran? Any problems? What kind of numbers if you dont mind me asking? Thanks

 

The heads have roughly 5000 miles on them. Absolutely no problems and the vehicle was never dynoed with the heads. Sorry it took so long to respond I was out of town and didnt bring my laptop.