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PAC Racing Springs Engines & Components
GN1 BUICK KIT 1201X
Part Number: RSC-PAC-KS76
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 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-S161-16
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
SPRING SHIM SET
Part Number: RSC-PAC-S181-100
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
SPRING SHIM SET
Part Number: RSC-PAC-S188-100
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Valve Spring, 1300 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1324
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
1.667 Triple Drag Race Spring - Pro Stock, Fuel
Part Number: RSC-PAC-1351
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Valve Springs, Hot Rod Series, Single, 1.500 in. O.D., 376 lbs/in. Rate, 1.115 in. Coil Bind Height, Each
Part Number: RSC-PAC-1900
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Recessed Steel Valve Locks - Standard 10 degree - Radius Groove - Standard Install Height
Part Number: RSC-PACLR806516
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring, Specialty and Class Specific, Beehive, Single, 1.245 in. Outside Diameter, 291 lb/in., Each
Part Number: RSC-PAC-1210X
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Locks, 10 degree, Radius Groove-style, Machined, Steel, 1-groove, 0.342 in. Stem Diameter, Set of 16 Pairs
Part Number: RSC-PAC-L8026-16
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Valve Spring, 1300 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1326
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Titanium Valve Locks - Standard 10 degree - Square Groove - +0.050 Install Height
Part Number: RSC-PAC-L8007
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Valve Springs, RPM Series, Dual, 1.304 in. O.D., 392 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1205X-16
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
