>3400>LA1 3400 Performance Heads
LA1 3400 Performance Heads
From mild to wild, the 3.4l Generation III Aluminum 60V6 cylinder heads offer plenty of options, and are compatible with every 60V6 pushrod from the 1980 2.8 to the 3500 LX9 made from 2004 to 2006.
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Lift (inch)
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Stock 3400 Intake
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Stock 3400 Exhaust
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0.050
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31.6
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27.1
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0.100
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55.4
|
53.0
|
|
0.150
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78.1
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78.4
|
|
0.200
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101.3
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98.4
|
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0.250
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125.4
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116.8
|
|
0.300
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148.1
|
133.8
|
|
0.350
|
170.0
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144.4
|
|
0.400
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187.8
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151.5
|
|
0.450
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201.1
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155.1
|
|
0.500
|
210.1
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157.0
|
|
0.550
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217.1
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158.8
|
|
0.600
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218.9
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160.4
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Sportsman
Budget price, killer performance. Based on the Competition porting, the Sportsman series have the most important modifications done and nothing else. Sold as bare heads with enough options for a ready to bolt on set of heads. We would put these up against the competition's stage 1 and 2 heads, at a fraction of the cost. Add a set of sportsman ported manifolds and complete this budget minded performance upgrade.
Competition
Competition porting represents the best of what we have to offer. Perfect for the street, perfect for the dragstrip. These are excellent for both naturally aspirated and boosted applications. Velocity is still key, with flow taking a higher priority over slight compression loss due to the redesigned combustion chamber. These heads were used to put down 222whp with a perfectly streetable 3400 swapped Malibu. You can check out more on this vehicle on the 60DegreeV6 site
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Lift (inch)
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Competition 3400 Intake
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Competition 3400 Exhaust
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0.050
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35.3
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25.2
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|
0.100
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63.4
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51.8
|
|
0.150
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89.9
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87.6
|
|
0.200
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116.7
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112.6
|
|
0.250
|
142.9
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131.2
|
|
0.300
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166.7
|
148.1
|
|
0.350
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187.3
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158.4
|
|
0.400
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203.6
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167.1
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|
0.450
|
217.4
|
174.0
|
|
0.500
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227.7
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178.8
|
|
0.550
|
235.2
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NA
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0.600
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237.3
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NA
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Race/Boost
Specifically designed for high output engines either NA or turbo/supercharged. These heads offer the greatest flow when paired with matching WOT-Tech Competition Series manifolds.
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Lift (inch)
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Race 3400 Intake
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Race 3400 Exhaust
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0.050
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35.0
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25.2
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0.100
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65.9
|
51.8
|
|
0.150
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94.5
|
87.6
|
|
0.200
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124.8
|
112.6
|
|
0.250
|
152.6
|
131.2
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|
0.300
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177.6
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148.1
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|
0.350
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194.7
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158.4
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0.400
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211.3
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167.1
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0.450
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224.0
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174.0
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0.500
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235.9
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178.8
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0.550
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240.4
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NA
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0.600
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244.1
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NA
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| Image | Name | Price | |
.JPG "Sportsman Ported 3400 Cylinder Heads") |
Sportsman Ported 3400 Cylinder Heads Our Sportsman 3100 heads are designed for performance with all expense spared. Based on the Competition 3100 heads, without the detail work and available as bare heads for the DIY performance enthusiast. If you are wanting to compare these to the competition's Stag… |
$349.99 |
|
 (WinCE).jpg "Competition Ported 3400 Cylinder Heads") |
Competition Ported 3400 Cylinder Heads Why take a chance on improving performance when you could just as easily hurt your flow, efficiency (mpg), and throttle response from a DIY gasket match job. These street/Strip performance heads are the result from years of R&D on a flowbench to find the best flo… |
$1049.99 |
|
.JPG "Race/Boost Ported 3400 Cylinder Heads") |
Race/Boost Ported 3400 Cylinder Heads The best flowing heads available for your 3400 engine. You can spend more, but you won't get more. Our signature series of heads for those that graduated beyond enthusiast, our race heads start out as hand picked cores, set aside for those that require the absolute best for their amb… |
$1399.99 |
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