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Chevy/GM
- Investment Cast Stainless Flange Kit
- GM LS Engines
- Port Shape: Round
- Port Sizing: 1-7/8"
- Formed by the same process used to create Hooker's premium stainless steel LS headers
- High quality, flat-faced 5/8-inch thick flanges (measured at port) deliver excellent sealing and warp resistance
- These 304 stainless steel investment cast flanges are constructed by a permanent mold process to ensure consistently precise construction
- Fit all versions of LS engine except LS9
- Sold in sets of two, they include premium Hooker gaskets and stainless steel header bolts
- Industry exclusive flange design maximizes strength and minimizes weight by varying thickness accordingly
Part TypeExhaust Flange
BrandHOOKER HEADERS
Package Height3.8
Package Width3.9
Package Length18.4
Weight5.77 PG
Part CategoryPerformance Parts
Header Flange Thickness0.625 in (15.875 mm)
Header Flange Port Size1.875 in (47.625 mm)
Port SizeRound
QuantitySold as a kit
Mounting Hardware IncludedYes
Matching Tube Size1.875 in.
MaterialMild Steel
Header Bolt PatternStock
Header Flange MaterialMild steel
Engine Make/SizeChevy Small Block LS Series
Thickness0.375 in (9.5 mm)
Engine TypeGM LS
Includes Stubs For Primary TubesNo
Gaskets IncludedYes
Header Flange Port ShapeStock
Part FitmentUniversal
Vendor Part Number11877HKR
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
