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    • 1970-1980 GM, Chevrolet 6.6L 400ci OHV V8 16V Chevrolet 4.125" Bore Valve Seat ST18123 -EP36
  • 1970-1980 GM, Chevrolet 6.6L 400ci OHV V8 16V Chevrolet 4.125" Bore Valve Seat ST18123 -EP36
  • 1970-1980 GM, Chevrolet 6.6L 400ci OHV V8 16V Chevrolet 4.125" Bore Valve Seat ST18123 -EP36

    1970-1980 GM, Chevrolet 6.6L 400ci OHV V8 16V Chevrolet 4.125" Bore Valve Seat ST18123 -EP36

    Engine Tech

    MSRP:
    Now: $13.97
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    SKU:
    ST18123 -EP36
    Availability:
    In Stock

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    Product Description

    Details

    • Part Number : ST18123
    • Sizes Available: N/A
    • Weight : 1.50(lbs)

    Dimensions

    • I D1.5000/1.6250T
    • Depth.219
    • NotesHi-Chrome, Tapered ID
    • O D1.8175
    • Seat Angle45
    ContentsDescriptionQty
    SizeQty

    Package Detail

    • Package Size1.25x3.25x5.25"
    • Weight0.25 lbs

     

    Also Fits:

    CategoryMakeModelUser EngineYear RangeNotes
    CarFORD 3.9L / 240 OHV L6 12V "B,E,V" 4.000" Bore 65-7265-72 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarFORD 4.7L / 289 OHV V8 16V 4.000" Bore 63-6863-68 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.781" valve head diameter. (4 pack).
    CarFORD 5.1L / 312 OHV V8 16V 3.800" Bore 56-5756-56 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.780" valve head diameter. (4 pack).
    CarGM2.5L / 153 OHV L4 8V Chev. 3.875" Bore 62-7062-70 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM3.0L / 181 OHV V6 12V "E,L" Buick 3.800" Bore 82-8882-88 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM3.2L / 194 OHV L6 12V Chev. 3.563" Bore 62-6762-67 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM3.2L / 196 OHV V6 12V "C" Buick 3.500" Bore 78-7978-79 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.710" - 1.740" valve head diameter. (4 pack).
    CarGM3.5L / 215 OHV L6 12V Pont. 3.750" Bore 64-6564-65 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM3.8L / 230 OHV L6 12V Chev. 3.875" Bore 63-7063-70 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM3.8L / 231 OHV V6 12V Buick 231 Turbo 3.800" Bore 78-8978-87 "3,8,7,9". Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.710" - 1.740" valve head diameter. (4 pack).
    CarGM3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-8878-88 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.710" - 1.740" valve head diameter. (4 pack).
    CarGM4.1L / 250 OHV L6 12V Chev. 3.875" Bore 65-7966-79 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM4.1L / 252 OHV V6 12V "4" Buick 3.965" Bore 80-8480-84 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM4.3L / 265 OHV V8 16V Chev. 3.750" Bore 55-5755-57 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM4.3L / 262 OHV V8 16V "G" Chev. 3.671" Bore 75-7675-76 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM4.4L / 267 OHV V8 16V "J" Chev. 3.500" Bore 79-8279-82 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM4.6L / 283 OHV V8 16V Chev. 3.875" Bore 57-6757-64 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM5.0L / 307 OHV V8 16V Chev. 3.875" Bore 68-7368-73 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    CarGM5.0L / 305 OHV V8 16V Chev. 3.736" Bore 76-9376-79 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).
    CarGM5.4L / 327 OHV V8 16V Chev. 4.000" Bore 62-6962-69 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).
    MARINEGM 5.0L / 305 OHV V8 16V Chev. Small Block 3.736" BoreHigh Perf. Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).
    TRUCK, VAN, SUVFORD 3.9L / 240 OHV L6 12V "1,A,J" 4.000" Bore 65-7465-74 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVFORD 4.7L / 289 OHV V8 16V 4.000" Bore 66-6766-67 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVFORD 4.9L / 300 OHV L6 12V 4.000" Bore 65-9665-96 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET2.5L / 153 OHV L4 8V Chev. 3.875" Bore 63-6563-65 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET3.2L / 194 OHV L6 12V Chev. 3.563" Bore 63-6663-66 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET3.8L / 230 OHV L6 12V Chev. 3.875" Bore 63-6963-69 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET4.1L / 250 OHV L6 12V Chev. 3.875" Bore 66-8466-84 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET4.4L / 267 OHV V8 16V "J" Chev. 3.500" Bore 79-8279-82 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET4.6L / 283 OHV V8 16V Chev. 3.875" Bore 57-6757-67 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET4.8L / 292 OHV L6 12V Chev. 3.875" Bore 63-8963-89 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET5.0L / 307 OHV V8 16V Chev. 3.875" Bore 68-7368-73 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET5.0L / 305 OHV V8 16V Chev. 3.736" Bore 76-0276-80 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET5.4L / 327 OHV V8 16V Chev. 4.000" Bore 66-6866-68 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET5.7L / 350 OHV V8 16V Chev. 4.000" Bore 68-0268-95 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).
    TRUCK, VAN, SUVGM, CHEVROLET6.6L / 400 OHV V8 16V Chev. 4.125" Bore 70-8075-80 Intake. 1.500/1.625T x 1.8175 x .2188". 45 Deg. Hi-Chrome Cast. With 1.720" - 1.750" valve head diameter. (4 pack).

     

     

    Interchange Numbers:

    • Martin Wells W1464
    • Tucker T1635
    • Manley 32620
    • Elgin I1812094219
    • Elgin 30530
    • FEL-PRO 24518123
    • Dynagear 32620
    • SB International SB1812-3
    • Dura-Bond Bearing 50530
    • Dura-Bond Bearing 30530
    • TRW IS428
    • Qualcast 20-1812-3

    Other Details

    12 Months / 12K Miles

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    1970-1980 GM, Chevrolet 6.6L 400ci OHV V8 16V Chevrolet 4.125" Bore Valve Seat ST18123 -EP36
    Engine Tech
    1970-1980 GM, Chevrolet 6.6L 400ci OHV V8 16V Chevrolet 4.125" Bore Valve Seat ST18123 -EP36

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