Engines & Components | Summit Racing

PAC Racing 600 Series Valve Spring Retainers PAC-R632

Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mi

Part Number: RSC-PAC-R632

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Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

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PAC Racing 600 Series Valve Spring Retainers PAC-R632-16

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PAC Racing 600 Series Valve Spring Retainers PAC-R608

Dual Spring 600 Series Retainer - Tool Steel Retainer for all 1.050 ID Dual Springs. Lock angle: STD 10 degre

Part Number: RSC-PAC-R608

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R614

Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1385 & 1395 Dual Valve Springs. Lock angle: ST

Part Number: RSC-PAC-R614

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R615

Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1227, 1239, 1254, 1297 & 1509 Dual Valve Springs

Part Number: RSC-PAC-R615

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PAC Racing 600 Series Valve Spring Retainers PAC-R633

Beehive 600 Series Retainer - Ultra Light Weight Steel for Super Stock PAC-1409X Valve Spring. Lock angle: 7

Part Number: RSC-PAC-R633

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R643

Beehive 600 Series Retainer - Ultra Light Weight Steel for Super Stock PAC-1427 Valve Spring. Lock angle: mi

Part Number: RSC-PAC-R643

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R635

Dual Spring 600 Series Retainer - Light Weight Steel Version of PAC-R335 LS RPM Dual Spring. Lock angle: LS

Part Number: RSC-PAC-R635

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R609

Dual Spring 600 Series - Tool Steel Retainer for all 1.050 ID Dual Springs. Lock angle: STD 8 degree

Part Number: RSC-PAC-R609

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PAC Racing 600 Series Valve Spring Retainers PAC-R655

Dual Spring 600 Series Retainer - Tool Steel retainer for PAC-1222X Valve Spring. Lock angle: LS 7 degree

Part Number: RSC-PAC-R655

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R658

Dual Spring 600 Series Retainer - Tool Steel Pro Series Race for PAC-1341 Valve Spring (DLC Option). Lock ang

Part Number: RSC-PAC-R658

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R650

Dual Spring 600 Series Retainer - Tool Steel Retainer for RPM Series Dual Valve Springs. Lock angle: mini 8

Part Number: RSC-PAC-R650

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R661

Dual Spring 600 Series Retainer - Tool Steel Pro Drag Race for PAC-1326 Valve Spring (DLC Option). Lock angle

Part Number: RSC-PAC-R661

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R649

Beehive 600 Series Retainer - Tool Steel retainer PAC- 1200 & 1201 Valve Spring. Lock angle: STD 8 degree

Part Number: RSC-PAC-R649

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R641

Valve Spring Retainers, 600 Series, Steel, 1.400 in. O.D., Dual, 8 degree, Each

Part Number: RSC-PAC-R641

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R606

Dual Spring 600 Series Retainers - Tool Steel Retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: S

Part Number: RSC-PAC-R606

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R619

Dual Spring 600 Series Retainers - Tool Steel Retainer for PAC-1385 & 1395 Dual Valve Springs. Lock angle: L

Part Number: RSC-PAC-R619

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

PRW Power 12-Point Poly Locks 1200127

Rocker Arm Nut, Power 12-Point, Polylock, 7/16 in. Stud, .600 in. O.D. Shank, .550 in. Undercut, Set of 16

Part Number: PQX-1200127

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COMP Cams Street Valve Locks 600-16

COMP Cams Street Valve Locks 600-16

Valve Locks, Stamped, Hardened Steel, 7 Degree, 1-Groove, 5/16 in. Valve Stem, Set of 32

Part Number: CCA-600-16

5.0 out of 5 stars ( 2 )

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Proform Valve Cover Fasteners for Chevrolet 141-600

Valve Cover Wing Bolts, Chrome, Chevrolet Bowtie, 1/4 in.-20, 4.25 in. Long, Set of 4

Part Number: PRO-141-600

3.0 out of 5 stars ( 2 )

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Trick Flow® Rocker Arm Adjusting Nuts TFS-70000905-4

Rocker Arm Nuts, Roller Rockers, 7/16 in.-20 Thread, .600 in. Outside Diameter, Set of 4

Part Number: TFS-70000905-4

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Trick Flow® Rocker Arm Adjusting Nuts TFS-70000904-8

Rocker Arm Nuts, Roller Rockers, 7/16 in.-20 Thread, .600 in. Outside Diameter, Set of 8

Part Number: TFS-70000904-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Trick Flow® Rocker Arm Adjusting Nuts TFS-70000903-8

Rocker Arm Nuts, Roller Rockers, 3/8 in.-24 Thread, .600 in. Outside Diameter, Set of 8

Part Number: TFS-70000903-8

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW RockerLocs 1200339

Rocker Arm Nuts,ROCKER ARM ADJUSTERS, PRW RockerLoc, 7/16" Stud, 6 Point, .600" OD shank, Set of 16

Part Number: PQX-1200339

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Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

PRW RockerLocs 1200341

ROCKERLOC, 7/16" Stud, 6 Point, .600" OD shank, .954" OAL For 05 Series Rocker Arms, Set of 16

Part Number: PQX-1200341

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

PRW Power 12-Point Poly Locks 1200123

Rocker Arm Nut, Power 12-Point, Polylock, 3/8 in. Stud, .550 in. O.D. Shank, Set of 16

Part Number: PQX-1200123

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134 Results Found For "AS-600"