Product Description
1987 Chevrolet R20 7.4L Engine Valve Seat ST18129N -305
This 1987 Chevrolet R20 7.4L Engine Valve Seat ST18129N -305 also Fits the following vehicles:
1986 GMC C2500 Suburban 7.4L Engine Valve Seat ST18129N -302
1986 GMC P3500 7.4L Engine Valve Seat ST18129N -303
1987 Chevrolet P30 7.4L Engine Valve Seat ST18129N -304
1987 Chevrolet R20 7.4L Engine Valve Seat ST18129N -305
1987 Chevrolet R20 Suburban 7.4L Engine Valve Seat ST18129N -306
Engine Valve Seat ST18129N -305 Fit Notes
Part Number: ST18129N -305
Position:
Part Type ID: 5784
Part Terminology: Engine Valve Seat
Qty Required: 2
Engine Base Id: 400
Liter: 7.4
CC: -
CID: 454
Cylinders: 8
Block Type: V
Drive Type:
Aspiration: Naturally Aspirated
Cylinder Head Type: OHV
Engine Designation: -
Engine Version: N/R
Engine Vin: N
Fuel Delivery Subtype: TBI
Fuel Delivery Type: FI
Fuel System Control Type: Electronic
Fuel System Design: TBI
Fuel Type: GAS
Ignition System Type:
Valves Per Engine: 16
Mfr: General Motors
Transmission Control Type:
Notes:
1.500 x 1.8175 x .3125". 45 Deg. Nickel base cast. O/S replacement for late heads w/factory installed seats. w/ 1.720" - 1.750" valve head diameter. (4 pack).
Category 1987 Chevrolet R20
