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Vehicle Info NeededENGINETECHPART NUMBER: 416-ST21252
ST21252 Valve Seat Set for 1965-1982 Buick, Cadillac, Oldsmobile, Pontiac 5.7L, 5.8L, 6.6L, 7.0L
$2099
Ships on 09/15/2026
Lowest Price GuaranteeGM
Valve Seat Set1965-1982 Buick, Cadillac, Oldsmobile, Pontiac 5.7L, 5.8L, 6.6L, 7.0L See Fitment Tab for All Applications High Chrome Valve Seats Set of 4
The Enginetech ST21252 is a valve seat set for SEAT (4) 1.8750 2.1305 .2500" HIGH CHROME engines. High chrome construction resists wear and seats valves precisely for efficient combustion chamber sealing.
Enginetech ST21252 Valve Seat Set Features:
- Fitment: SEAT (4) 1.8750 2.1305 .2500" HIGH CHROME
- Engineered to OE specifications for direct replacement
- Note: Intake. 1.875 x 2.1305 x .2500. 45 Deg. Hi-Chrome Cast. With 1.960 valve head diameter. (4 pack).
Part TypeValve Spring Seat
BrandENGINETECH
Package Height1.25
Package Width3.25
Package Length5.25
Weight0.25 PG
Part CategoryReplacement Parts
QuantitySet of 4
FitmentSEAT (4) 1.8750 2.1305 .2500" HIGH CHROME
MaterialHi-Chrome
Part FitmentDirect Fit
RemanufacturedNo
Outside Diameter2.1305
Seat Angle45
Vendor Part NumberST21252
Package Qty1
Package TypeEA
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