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LS3 Aluminum Cylinder Heads
- LS-Series LS3 Cylinder Head
- Bare
- Sold Individually, 1/pkg
The LS3 Aluminum Cylinder Heads are stock replacement LS3/L92 heads manufactured from aluminum alloy and are available as bare castings to add your own components or fully assembled with intake and exhaust valves, valve stem seals, spring retainers, valve springs and valve locks. These heads can be used to replace worn or damaged units on your LS3 engine or as a performance upgrade on any LS engine with a 4" or larger bore!
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Features:
- Manufactured from 319-T5 aluminum alloy
- As-cast L92 style 260cc intake ports
- 2.165" hollow stem intake valves
- 1.59" solid stem exhaust valves
- 15 degree valve angle
- .550" max valve lift
- D-shaped exhaust ports
- As-cast 68.4cc combustion chambers
- 14mm, 5/8" hex, 3/4" reach, taper-seat Angled spark plug
- Bolt-down-type rocker arms
- Center-bolt valve cover hold-downs
- Fits any LS family engine with 4.00" bore or larger
LS3 Cylinder Head Flow Chart Valve Lift Intake Flow Exhaust Flow .200 151 111 .300 208 152 .400 256 174 .500 294 183 .600 316 189
Product LineChevrolet Performance LS3 Aluminum Cylinder Heads
BrandCHEVROLET PERFORMANCE
Package Height6.3
Package Width9.2
Package Length20.9
Weight22.13 PG
Part CategoryPerformance Parts
Vendor Part Number12629051
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
