Availability
Camshafts & Valvetrain
Steel Valve Locks - Standard 10 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8028
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
RETAINER CHROME MOLY STEEL
Part Number: RSC-PAC-R392
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S129
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Steel Spring Seat for All LS Springs for use in Small Block
Part Number: RSC-PAC-S135
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Beehive Spring Retainer 300 Series - Retainer for PAC-1255, 1295, & 1595 Valve Springs. Lock angle: STD 10 de
Part Number: RSC-PAC-R313
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:
PAC Racing 300 Series Valve Spring Retainers PAC-R313-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026
Camshaft Degree Bushing, Small Block Chevy, 2 Degree, Each
Part Number: DVM-8300-2
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Lock, Stamped, Steel, Stock, 1-Groove, 11/32 in. Valve Stem, Chevy, Small Block, Each
Part Number: NAL-24503856
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Spring, Conical, 1.414 in. Diameter, 88 lbs. Seat Pressure, Each
Part Number: MEL-VS-150
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Cam Bushing 0 Deg. Each
Part Number: HRS-94505-4505-0
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Steel Valve Locks - Mini 8 degree - Radius Groove - Standard Install Height
Part Number: RSC-PAC-L8135
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Valve Lock, Machined, Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Pair
Part Number: MAN-13195-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Valve Spring, Single, 1.512 in. Diameter, 1.240 in. Coil Bind Height, Each
Part Number: MEL-VS-1040
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
RETAINER-ENG VALVE SPRING
Part Number: MEL-VSR-702
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Spring Retainers, Chromoly, 7 Degree Lock Style, 1.076 in. Beehive Spring, Fits 221431 Spring, Each
Part Number: MAN-23612-1
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
ARM-ENG VALVE ROCKER
Part Number: MEL-MR-844
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pushrod, Performance Series, Steel, Heat-Treated, 5/16 in. Diameter, 7.700 in. Length, Universal, Each
Part Number: HRS-95203-1
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
ENGINE TIMING CRANKSHAFT SPROCKET
Part Number: CLO-S431
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve Locks, 10 degree Machined Hardened Steel Valve Lock 11/32" Bead Lock, 1 Pair
Part Number: AFR-9010-1
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
ROCKER ARM STUDS 3/8", 1.75" stud height, Each
Part Number: PQX-1203750
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Spring Locator, 1.550", 1.550" x .635"
Part Number: HRS-96025-1
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
GPLATES-SBC 5/16
Part Number: MAN-42355-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Valve Springs, Single, 1.460/1.480 in. Diameter, 79-89 lbs. Seat Pressure, 1.270 in. Coil Bind Height, Each
Part Number: MEL-VS-420
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valve Lock, Forged Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Pair
Part Number: HRS-93018-1
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
VALVE SPRING LOCATOR, BTR SPRING LOCATOR - 4140 STEEL - .565" ID - .680" INNER STEP - .060" THICK - SOLD INDIVIDUALLY - SLS135-1
Part Number: BTC-SLS1351
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
LOCK ENGINE VALVE
Part Number: MEL-VL-1048
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
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