Collection: Valve Springs, Retainers

Ferrea Ford 4.6L 32V 0.035in Thick 1.11in OD 0.635in ID Spring Seat Locator- Single (Drop Ship Only) | SL1086-1

Ferrea Stock Eliminator 0.06in Thick 1.25in OD 0.63in ID Spring Seat Locator - Single (D/S Only) | SL1085-1

Ferrea Flat Tappet/Hydro Roller 0.06in Thick 1.45in OD 0.98in ID Spring Seat Locator-Sngl (D/S Only) | SL1083-1

Ferrea Stock Eliminator 0.06in Thick 1.25in OD 0.57in ID Spring Seat Locator - Single (D/S Only) | SL1081-1

Ferrea Chevrolet LS1/LT1 0.06in Thick 1.3 0.505 Spring Seat Locator - Single (Drop Ship Only) | SL1080-1

Ferrea Dodge 5.7L/6.1L 0.045in Thick 1.375in OD 0.665in ID Spring Seat Locator - Single (D/S Only) | SL1079-1

Ferrea Stock Eliminator 0.06in Thick 1.25in OD 0.535in ID Spring Seat Locator - Single (D/S Only) | SL1078-1

Ferrea Chevy Big Block 0.06in Thick 1.49in OD 0.63in ID Spring Seat Locator- Single (Drop Ship Only) | SL1077-1

Ferrea Ford 4.6L 16V 0.04in Thick 1.107in OD 0.65in ID Spring Seat Locator - Single (Drop Ship Only) | SL1076-1

Ferrea Endurance High Lift 0.06in Thick 1.59in OD 1.13in ID Spring Seat Locator - Single (D/S Only) | SL1075-1

Ferrea Chevy Big Block 0.06in Thick 1.49in OD 0.57in ID Spring Seat Locator- Single (Drop Ship Only) | SL1074-1

Ferrea VW PL/9A 16V Spring Seat Locator - Single (Required for S10115 / Drop Ship Only) | SL1073-1

Ferrea Chevrolet L94 0.06in Thick 1.24 0.505 Spring Seat Locator - Single (Drop Ship Only) | SL1072-1

Ferrea Chevrolet L92 0.06in Thick 1.24 0.505 Spring Seat Locator - Single (Drop Ship Only) | SL1071-1

Ferrea Nissan TB48DE Spring Seat Locator - Single (Required for 10114 / Drop Ship Only) | SL1070-1

Ferrea Chevrolet LS1/LS7 0.06in Thick 1.245in OD 0.562in ID Spring Seat Locator - Single (D/S Only) | SL1066-1

Ferrea Nissan VQ35 Spring Seat Locator - Single (Required for S10103 / Drop Ship Only) | SL1065-1

Ferrea Nissan KA24DE Spring Seat Locator - Single (Required for 10043 / Drop Ship Only) | SL1064-1

Ferrea Scion 2AZFE Spring Seat Locator - Single (Required for S10110 / Drop Ship Only) | SL1063-1

Ferrea Dodge A853 Spring Seat Locator - Single (Required for S10108 / Drop Ship Only) | SL1062-1

Ferrea Dodge A853 Spring Seat Locator - Single (Required for S10107 / Drop Ship Only) | SL1061-1

Ferrea Toyota 2JZGE/2JZGTE Spring Seat Locator - Single (Req for S10045/S10109 / Drop Ship Only) | SL1060-1

Ferrea Ford 4.6L/5.4L 24V 0.295in Thick 1.106in OD 0.66in ID Spring Seat Locator - Single (D/S Only) | SL1055-1

Ferrea Acura/Honda K20 Spring Seat Locator - Single (Required for S10100 / Drop Ship Only) | SL1053-1

Ferrea Acura/Honda K20 Spring Seat Locator - Single (Required for S10099 / Drop Ship Only) | SL1052-1

Ferrea Subaru EJ25 Spring Seat Locator - Single (Required for S10097/S10098 / Drop Ship Only) | SL1051-1

Ferrea Nissan VQ35 Spring Seat Locator - Single (Required for S10091 / Drop Ship Only) | SL1048-1

Ferrea Nissan RB26 Spring Seat Locator - Single (Required for S10090 / Drop Ship Only) | SL1047-1

Ferrea BMW M50/S50 High Pressure Spring Seat Locator - Single (Required for S10049 / Drop Ship Only) | SL1045-1

Ferrea Acura/Honda B18C1/C3 / B16A3 High Press Spring Seat Locator- Single (Req for S10086/D/S Only) | SL1044-1

Ferrea Honda D16Y8 Spring Seat Locator - Single (Required for S10085 / Drop Ship Only) | SL1043-1

Ferrea Mitsubishi 4G63T Spring Seat Locator - Single (Required for S10084 / Drop Ship Only) | SL1041-1

Ferrea Nissan Skyline NEO Intake Spring Seat Locator - Single (Required for S10078 / Drop Ship Only) | SL1037-1

Ferrea Chevrolet LS1/LT3 0.06in Thick 1.245in OD 0.505in ID Spring Seat Locator - Single (D/S Only) | SL1036-1

Ferrea Subaru EJ20 Spring Seat Locator - Single (Required for S10071/S10072 / Drop Ship Only) | SL1034-1

Ferrea Toyota 3SGE Spring Seat Locator - Single (Required for S10073 / Drop Ship Only) | SL1032-1

Ferrea Chevrolet LS1/LT2 0.09in Thick 1.245in OD 0.505in ID Spring Seat Locator - Single (D/S Only) | SL1030-1

Ferrea GM 2.2L Ecotec Spring Seat Locator - Single (Required for S10057 / Drop Ship Only) | SL1028-1

Ferrea Audi Spring Seat Locator - Single (Required for S10056 / Drop Ship Only) | SL1026-1

Ferrea Audi Spring Seat Locator - Single (Required for S10055 / Drop Ship Only) | SL1025-1

Ferrea BMW M50/S50/M52/M54 Spring Seat Locator - Single (Required for S10049 / Drop Ship Only) | SL1021-1

Ferrea Suzuki Swift G10 Spring Seat Locator - Single (Required for S10047 / Drop Ship Only) | SL1018-1

Ferrea Acura/Honda B18A1/B1 Exhaust Spring Seat Locator - Single (Req for S10046 / Drop Ship Only) | SL1017-1

Ferrea Ford Zetec ZX3 Spring Seat Locator - Single (Required for S10041 / Drop Ship Only) | SL1015-1

Ferrea Ford Zetec ZX3 Spring Seat Locator - Single (Required for S10040 / Drop Ship Only) | SL1014-1

Ferrea Nissan VG30D/VG30DTT Spring Seat Locator - Single (Required for S10039 / Drop Ship Only) | SL1012-1

Ferrea Nissan SR20DE/SR20DET Spring Seat Locator - Single (Required for S10038 / Drop Ship Only) | SL1011-1

Ferrea Mitsubishi 4G63/4G63T Spring Seat Locator - Single (Required for S10036 / Drop Ship Only) | SL1009-1