Availability
Engines & Engine Parts
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.270 in. O.D., 0.520 in. I.D., 0.060 in. Thick, Each
Part Number: RSC-PAC-S121
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S108-16
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Valve Spring Locator, Steel, 0.70 in. Inside Diameter, 1.55 in. Outside Diameter, Set of 16
Part Number: AFR-8044-16
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Steel Spring Seats 0.030 thick for RPM Dual Springs
Part Number: RSC-PAC-S136
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S130
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.550 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Each
Part Number: RSC-PAC-S103
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Single, 1.250 in. Outside Diameter, 1.700 in. Installed Height, Chevy, V6, 4.3L, Set of 12
Part Number: EDL-5814
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S110
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S116
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.350 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16
Part Number: RSC-PAC-S160-16
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Steel Spring Seat for All LS Springs for use in Small Block
Part Number: RSC-PAC-S135
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Seats - .030 thick
Part Number: RSC-PAC-S133-16
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Steel Seats - for Pacaloy Retainers
Part Number: RSC-PAC-S123-16
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring Seat, Steel, 1.640 in. I.D., 1.740 in. O.D., Set of 16
Part Number: AFR-8046-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S130-16
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S108
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Valve Spring Locator, Seat and Cup for Dual Springs, Inside Locating Shoulder Type, 1.550 in. O.D., 0.855 in./0.635 in. Dia. Steps, Chromoly, Each
Part Number: RSC-PAC-S102
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Valve Spring Locator, Steel, 0.730 in. Inside Diameter, 1.550 in. Outside Diameter, Each
Part Number: AFR-8045-1
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Lifters, Hydraulic Roller, Link Bar, 0.842 in. Outside Diameter, 2.685 in. Seat Height, Retrofit, Small Block Chevy, Set of 16
Part Number: SUM-HT218-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Hydraulic Roller, Link Bar, 0.842 in. Outside Diameter, 2.685 in. Seat Height, Big Block Chevy, Set of 16
Part Number: SUM-HT219-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Hydraulic Flat Tappet, Chevy, 0.842 Diameter, 1.99 Seat Height, V8/V6/L6, Set of 16
Part Number: CCA-812-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Evolution Series Hydraulic Roller Lifters, Retrofit, 0.842 in. O.D., 2.475 in. Lifter Seat Height, Chevrolet, Big Block, Set of 16
Part Number: CCA-85401-16
Estimated Ship Date: Today
Estimated Ship Date: Today
LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless
Part Number: SUM-LS210CATH60
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Evolution Series Hydraulic Roller Lifters, Retrofit, 0.842 in. O.D., 2.475 in. Lifter Seat Height, Chevrolet, Small Block, Set of 16
Part Number: CCA-85301-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Evolution Series Hydraulic Roller Lifters, Retrofit, 0.842 in. O.D., 2.475 in. Lifter Seat Height, Oldsmobile, Pontiac, Set of 16
Part Number: CCA-85701-16
Estimated Ship Date: Today
Estimated Ship Date: Today
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