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Photo of Cylinder Heads, Aluminum SI Series, TA Performance, 3.8L V6, Assembled
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TA Performance

Cylinder Heads, Aluminum SI Series, TA Performance, 3.8L V6, Assembled

Part# : RG10177
Mfg#: TA_V3850_SI-A
Sold As: Pair
Ship Size: Oversize 3
$2,899.99
List Price: $3,190.95
You Save $290.96

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Vehicle Specific View fitment for 6 models
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Fully assembled

Aluminum construction

The SI series cylinder heads feature 1.940"I/1.600"E valves and 46 CC combustion chambers and 156 cc Intake/72 cc exhaust runners. These heads are the easiest way to convert to aluminum heads on your 3.8L engine. They are completely plug and play with stock rockers, intake manifold, exhaust manifolds and valve covers. These cylinder heads will also support up to 1,000 horsepower when fully ported.

Notes

  • This item is not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: Item exceeds standard ground freight size/weight, and is not eligible for free ground shipping.
3
This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More

Find Item In This Catalog

  • 2025 GM G-Body 1978-1988 149
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National SI series
1984–1987 Buick Grand National SI series
1978–1987 Buick Regal SI series
1983–1987 Buick T-Type SI series
1978–1988 Oldsmobile Cutlass  
1982–1986 Pontiac Bonneville  
1978–1987 Pontiac Grand Prix  
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Cylinder Heads, Aluminum SI Series, TA Performance, 3.8L V6, Assembled
TA Performance Cylinder Heads, Aluminum SI Series, TA Performance, 3.8L V6, Assembled