DOMESTIC - SPRING SEAT LOCATORS

Model Engine /Part Nº	Locator Thickness	Loc. O.D.	Loc. I.D.	Spr. O.D.	Spr. I.D.	References
CHEVROLET SMALL BLOCK - LS1
SL1030	.090”	1.245”	.505”	N/A	.870”	Required for Ferrea Springs # S10042 S10048 and S10061.
SL1036	.060”	1.245”	.505”	N/A	.635”	Required for Ferrea Springs # S10075 S99100.
CHEVROLET SMALL BLOCK - LS1/LS7 (5/16 CONVERSION KIT)
SL1066	.060”	1.245”	.562”	N/A	.660”	Required for Ferrea Springs # S99101 and
						Ferrea Valve Guide #VG1061.
CHEVROLET SMALL BLOCK - L92
SL1071	.060”	1.240”	.505”	N/A	.650”	Required for Ferrea Springs # S99102.Valve Guides
						Ferrea (EXH # VG1067) and (INT # VG1066) OR
						Factory supplied Valve Guides
SL1072	.060”	1.240”	.505”	N/A	.650”	Required for Ferrea Springs # S99102.Valve Guides
						Ferrea (EXH # VG1067) and (INT # VG1066) OR
						Factory supplied Valve Guides. This seat locator is
						designed with a step for HIGH PRESSURE
FORD MUSTANG 4.6L - SOHC V8 24 VALVE - 2005
SL1055	.295”	1.106”	.660”	N/A	.818”	Required for Ferrea Springs # S99102.

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