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Photo of Adapter Plates, Lokar, LS Cathedral Port to LS3, Pair
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Lokar

Adapter Plates, Lokar, LS Cathedral Port to LS3, Pair

Fits 1961–1988 Cutlass View fitment for 33 models
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Part# CH34257
Mfg# GMLS3010
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$312.99
List Price: $344.95
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Convert Your Early LS1/LS6 To A Later Style LS3 Intake Includes all necessary hardware and O-rings

Use these billet aluminum adapter plates to bolt a late model, LS3 rectangular port intake manifold to Cathedral cylinder heads (i.e. LS1/LS6). They include the necessary hardware and O-rings.

Notes

  • This item is not eligible for any further discounts or promotional pricing.
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 These Catalogs

  • 2024 Cadillac 1936-1993 120
  • 2024 Chevelle, El Camino 64-77 334
  • 2024 Cutlass, F-85 & 442 61-77 221
  • 2024 GM G-Body 1978-1988 169
  • 2024 Grand Prix 1962-77 188
  • 2024 GTO, LeMans & Tempest 241
  • 2024 Monte Carlo 70-77 199
  • 2024 Riviera 1963-76 101
  • 2024 Skylark, GS & GSX 61-72 196
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  
1984–1987 Buick Grand National  
1978–1987 Buick Regal  
1963–1976 Buick Riviera  
1961–1972 Buick Skylark  
1983–1987 Buick T-Type  
1938–1993 Cadillac 60 Special  
1965–1976 Cadillac Calais  
1959–1993 Cadillac DeVille  
1953–1993 Cadillac Eldorado  
1954–1993 Cadillac Fleetwood  
1936–1951 Cadillac Series 60  
1936–1951 Cadillac Series 61  
1937–1976 Cadillac Series 62  
1936–1951 Cadillac Series 63  
1937–1976 Cadillac Series 65  
1936–1987 Cadillac Series 67  
1936–1987 Cadillac Series 70  
1936–1987 Cadillac Series 72  
1936–1987 Cadillac Series 75  
1976–1993 Cadillac Seville  
1964–1977 Chevrolet Chevelle  
1960–1969 Chevrolet Corvair  
1961–1965 Chevrolet Corvair FC  
1964–1987 Chevrolet El Camino  
 
1978–1983 Chevrolet Malibu  
1970–1988 Chevrolet Monte Carlo  
 
1961–1988 Oldsmobile Cutlass  
 
1959–1986 Pontiac Bonneville  
 
1959–1977 Pontiac Catalina  
1962–1987 Pontiac Grand Prix  
 
1964–1973 Pontiac GTO  
1961–1973 Pontiac LeMans  
1961–1970 Pontiac Tempest  
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Adapter Plates, Lokar, LS Cathedral Port to LS3, Pair
Lokar Adapter Plates, Lokar, LS Cathedral Port to LS3, Pair