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DART 205cc LS1 Cylinder Heads |
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Description:Dart's LS1 Cylinder Heads are cast from the same virgin 355-T6 aircraft alloy that is used in Dart Pro-Stock heads. These LS style heads are available with high flowing as-cast ports. Standard valve angle and spacing is retained for bolt-on compatability. As cast heads are bowl blended on 5-axis machining centers. Manganese bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels. | ||||||
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DART 225cc LS1 Cylinder Head |
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Description:Dart's LS1 Cylinder Heads are cast from the same virgin 355-T6 aircraft alloy that is used in Dart Pro-Stock heads. These LS style heads are available with high flowing as-cast ports. Standard valve angle and spacing is retained for bolt-on compatability. As cast heads are bowl blended on 5-axis machining centers. Manganese bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels. | ||||||
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Edelbrock CNC Ported LSx Cylinder Heads |
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Description:-CNC-ported by Lingenfelter Performance Engineering, benefiting from years of experience in GEN III performance modifications-Designed for 1997 and later GM LS1 and other GEN III engines, including 4.8L, 5.3L and 6.0L V8s. -65cc combustion chamber retains the stock compression ratio for bolt-on convenience -Assembled and ready to bolt-on with high-quality stainless steel 2.02" intake and 1.57" exhaust valves. | ||||||
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Patriot Performance Stage 2 LS1 Cylinder Heads |
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Description:Patriot Stage 2 CNC-ported LS1 heads for 1997-1998 LS1 features 67cc combustion chambers and 213cc intake/78cc exhaust runners.They have stainless steel 2.02" intake/1.57" exhaust valves with undercut heads, magnesium bronze intake guides, phosphorous bronze exhaust guides, dual .650" lift valve shprings with titanium retainers,and 5-angle machined hardened seats.For use with perimeter bolt valve covers. | ||||||
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Patriot Performance Stage 2 5.3L Cyliinder Heads |
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Description:Stage 2 CNC-ported 5.3L heads for '99- LS1.They have 63cc combustion chambers and 213cc intake/78cc exhaust runners.The assembled heads include 2.02" intake/1.57" exhaust valves, bronze guides, dual .650" lift valve springs with titanium retainers, and a 5 angle valve job. For use with center bolt valve covers. | ||||||
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Patriot Performance Stage 2 LS6 Cylinder Heads |
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Description:The stage 2 CNC-ported heads have 2.02" intake/1.57" eshaust valves and are ideal fro 346 to 382 cubic inch engines.Fully assembled with upgraded valvetrain components like stainless steel valves with undercut heads, dual .650" lift valve springs with titanium retainers, magnesium bronze intake guides, phosphorous bronze exhaust guides,and 5-angle machined hardened seats.For use with center bolt valve covers. | ||||||
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Patriot Performance Stage 3 LQ9 Cylinder Heads |
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Description:Patriot Performance Stage 3 LQ9 CNC-ported cylinder heads '99- LS1 engiens.They have double-quench 72cc combustion chambers and 225cc intake/83cc exhaust runners.They come fully assembled with stainless steel 2.08"intake/1.60" exhaust valves with undercut heads, dual .650" lift valve springs with titanium retainers, magnesium bronze intake guides, phosphorous bronze exhaust guides, and 5-angle machined hardened seats.For use with center bolt valve covers. | ||||||
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Patriot Performance Stage 3 LS6 Cylinder Heads |
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Description:Patriot Performance stage 3 CNC-ported LS6 style heads for 1999- LS1.They have 225cc intake/83cc exhaust runners,64cc combustion chambers and come fully assembled. | ||||||
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Racing Head Services 54210-05 -62cc Chamber, 210cc Intake-Pro Elite GM Gen III Cylinder Heads |
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Description:RHS Pro Elite series Gen III aluminum cylinder heads are fully CNC-machined for a superb finish and maximum airflow. RHS Pro Elite series cylinder heads have a massive 0.800 in. thick deck surface. This dramatically increases the structural integrity of the casting and makes these cylinder heads perfect for high cylinder pressure applications such as turbo or nitrous. Steel inserts strengthen the rocker stud boss area, and casting integrity is further improved via the triangulated exhaust ports and hardened steel head bolt washers.Additional features include: * Fully CNC-machined runners and chambers * 11 degree valve angle for maximum flow * Steel rocker stud boss inserts * Fits all GEN III intake manifolds * 0.500 in. raised valve cover rail * Highly efficient water jacket design * Improved valve guide design | ||||||
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Racing Head Services 54225-06-62cc Chamber, 225cc Intake-Pro Elite GM Gen III Cylinder Heads |
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Trickflow 215cc LSx Cylinder Heads |
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Trickflow 225cc LSx Cylinder Heads |
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Trickflow 235cc LSx Cylinder Heads |
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Description:Working hand-in-hand with our customers, the Trick Flow® Product Development Group identified the need for a high-flow cylinder head designed specifically for large cubic inch GM LSX engines. Beginning with our track-proven GenX™ street/strip heads, Trick Flow® engineers refined the intake and exhaust ports to optimize low, mid, and peak lift airflow and the area under the curve for engines with 4.125 in. and larger bores. The engineers also modified the combustion chambers to further unshroud the valves and to increase airflow and swirl. With these changes, a new Trick Flow® cylinder head was born--the GenX™ street/strip 235! Independent testing conducted with Vengeance Racing proved the new GenX™ street/strip 235 heads deliver the goods. Their pump gas, 440 c.i.d. LSX car with a mild hydraulic roller cam and our 235 heads made over 625 rear wheel horsepower. These fully CNC-ported performance cylinder heads feature 235cc intake runners, 80cc exhaust runners, 70cc combustion chambers, 2.080 in. intake valves, 1.600 in. exhaust valves, bronze valve guides, and interlocking ductile iron intake and exhaust valve seat inserts. Assembled heads come equipped with 1.300 in. dual valve springs (for hydraulic roller camshafts up to 0.600 in. of valve lift),Viton® fluoroelastomer canister-style valve seals, 7 degree machined steel valve locks, and 7 degree titanium retainers. The Trick Flow® GenX™ 235 LSX cylinder head is capable of making well in excess of 700 HP N/A. These heads have been proven time and time again to be the best readily available production LS heads on the market | ||||||
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