Absolute Speed 5.3L stage 2 heads
01-12-2005, 01:22 PM
#1
Absolute Speed 5.3L stage 2 heads I have a Never ran, set of Absolute Speed stage 2X 5.3 liter CNC ported heads for sale.
These are all out CNC performance heads.
They have 2.02 manley heavy duty Valves instaled, And A custome CNC machined port job.
They flow 310cfm at 600 lift, the compression with a stock gasket is 10.7 to one,
They have double valve springs installed and can handle big aggresive cams.
I paid $1,800 for them , i am going with a turbo system so i cant use them,
I will take $1,700 shiped for them, they are the best ported heads around, i have a friend that has the same ones on his SS, car runs 10.66 at 126.
These are all out CNC performance heads.
They have 2.02 manley heavy duty Valves instaled, And A custome CNC machined port job.
They flow 310cfm at 600 lift, the compression with a stock gasket is 10.7 to one,
They have double valve springs installed and can handle big aggresive cams.
I paid $1,800 for them , i am going with a turbo system so i cant use them,
I will take $1,700 shiped for them, they are the best ported heads around, i have a friend that has the same ones on his SS, car runs 10.66 at 126.
01-14-2005, 02:56 PM
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Originally Posted by Lawnboy
The heads are 63 cc chambers
they have Comp 978 double springs
And they have not been milled,
Your compresion will be around 10.7
any more ??? PM me thank you
they have Comp 978 double springs
And they have not been milled,
Your compresion will be around 10.7
any more ??? PM me thank you
I actually just bought a set of these from some-one and had them cc'd and they were 64cc chambers which puts you at 10-5/10-6, they also only really flowed 299 at 600(intake) 198 at 600(exhaust)
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01-16-2005, 09:28 AM
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Originally Posted by lumpyu812
I actually just bought a set of these from some-one and had them cc'd and they were 64cc chambers which puts you at 10-5/10-6, they also only really flowed 299 at 600(intake) 198 at 600(exhaust)
All flowbenches are different just like all dynos are different. these heads are hard to come by nowadays. Its a good deal.
01-16-2005, 10:57 AM
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Originally Posted by mike m
All flowbenches are different just like all dynos are different. these heads are hard to come by nowadays. Its a good deal.
these are a very nice set of heads...... TTT for you!
