PRW Power Engines & Components

Cylinder Head Studs, 4140 Alloy, 12-Point Nuts, Parallel Ground Washers, 200,000 PSI Tensile Strength, Dodge, Cummins, 5.9L, L6, 12-Valve, Diesel, Kit

Part Number: PQX-1035903

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Rocker Arm Adjusting Screw

Part Number: PQX-1273018-01

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Caps, Billet Steel, Two 2-Bolt, Three Cross-Bolt, 383-440 c.i.d., Big Block Mopar, B/RB, V8, Chrysler, Dodge, Plymouth, Set of 5

Part Number: PQX-1744002

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Valve Cover Breather Components, Modular Fitting Adapter, Fits 1.50 in. Hole, Fits Push-In Breather, O-Ring, Billet Aluminum, Black Anodized, Each

Part Number: PQX-4120487

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Cover Bolt Kit

Part Number: PQX-4135010

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 421-455 cid, V8, Dowel Pinned, Drill Guide, Large Journal, Pontiac, Set of 3

Part Number: PQX-1745501

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve Cover Set

Part Number: PQX-4034637

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Estimated Ship Date: Apr 27, 2026 if ordered today

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SHIMS, Shaft Mount Rocker Arm, Mopar, Spring Steel, 0.8755"(22.22mm) ID, 0.060"(1.53mm) Thick

Part Number: PQX-9587553

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Covers, Stock Height, Centerbolt Mounting, Fabricated Aluminum, Polished, Chevy, Small Block LS, Pair

Part Number: PQX-4034621

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Covers, Stock Height, Centerbolt Mounting, Fabricated Aluminum, Polished, Coil Pack Stand-offs, Chevy, Small Block LS, Pair

Part Number: PQX-4034631

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Ford, Various Heads, Kit

Part Number: PQX-1535100

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Guideplates, PowerPlus+, Raised, Steel, Black Oxide, 7/16 in. Pushrod Size, Chevrolet, Each

Part Number: PQX-1145402-01

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Harmonic Balancer Bolt, Chromoly, Black Oxide, External 12-Point, Ford, 351C, Each

Part Number: PQX-1042351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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SHIMS, Shaft Mount Rocker Arm, Ford FE, Spring Steel, 0.8705"(22.11mm) ID, 0.060"(1.53mm) Thick

Part Number: PQX-9587053

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Covers, Stock Height, Perimeter Bolt Mounting, Fabricated Aluminum, Silver Anodized, Dodge, Jeep, Small Block Magnum, Pair

Part Number: PQX-4036000

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Covers, Low-profile, Perimeter Bolt Mounting, Fabricated Aluminum, Polished, Pontiac, Pontiac V8, Pair

Part Number: PQX-4045511

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Cover Bolt Kit

Part Number: PQX-4145500

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Estimated Ship Date: Apr 27, 2026 if ordered today

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WATER PUMP PULLEY KIT, Water Pump, GM LS Gen III/IV Series Edelbrock, Stewart, PRW Billet Alum pumps, GM 8 bolt hub fitment, Includes Supercharger Pul

Part Number: PQX-2636413

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Cover Bolt Kit

Part Number: PQX-4146007

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Cover Bolt Kit

Part Number: PQX-4136000

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Rocker Arms, Sportsman Steel Roller Tip, Stud Mount, Chromoly Steel, Natural, 1.6 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Each

Part Number: PQX-0835021-01

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valve Covers, Tall, Perimeter Bolt Mounting, Fabricated Aluminum, Black Anodized, Chevy, Big Block, Pair

Part Number: PQX-4045417

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevrolet, Set of 8

Part Number: PQX-1135000

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Harmonic Balancer, PQx FluidGel, Internal Balance, Black, BMW, L4, Each

Part Number: PQX-2510901

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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