Engines & Components

Valve Spring and Retainer Kits, Performance, Single, Conical, 1.485 in. O.D., 355 lbs./in., 1.150 in. Coil Bind Height, 7 Degree Locks, Retainers, Kit

Part Number: HRS-98511-K31

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Valve Cover, Perimeter Bolt Mounting, Stock Height, Cast Aluminum, Black, 4.0L Top Style, Jeep, 4.0L, Each

Part Number: RTO-RT35001

4.18 out of 5 stars ( 17 )

Estimated Ship Date: Today

• Free Shipping

Timing Cover, One-piece, Steel, Natural, Jeep, 5.0L, 5.9L, Each

Part Number: CWA-J8129373

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Valve Spring, Dual, 1.470 in. Outside Diameter, 399 lbs./in. Rate, 1.080 in. Coil Bind Height, Set of 16

Part Number: HRS-98445

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Valve Spring, Stock Diameter Performance, Single with Damper, 1.265 in. O.D., 0.876 in. I.D., 425 lbs/in., 0.550 in. Maximum Lift, Set of 16

Part Number: HRS-98212

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Valve Spring, Single, 1.485 in. Outside Diameter, 355 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16

Part Number: HRS-98511

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Spring, Single, 1.250 in. Outside Diameter, 411 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16

Part Number: HRS-98214

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

Harmonic Balancer, Nodular Iron, Black Powdercoated, Internal Engine Balance, Jeep, 4.0L, Each

Part Number: CWA-33002920

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

Valve Springs, Dual, 1.514 in. Outside Diameter, 1.150 in. Coil Height, Set of 16

Part Number: HRS-98636

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Valve Spring and Retainer Kits, Single, Standard, 1.265 in. O.D., 425 lbs./in., Chromoly Retainers, 7-Degree Alloy Steel Locks, Damper Spring, Kit

Part Number: HRS-98212-K11

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Harmonic Balancer Bolt, Steel, Gold Iridite, Hex, Chevy, Small Block, Each

Part Number: MRG-945G

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Valve Spring, Dual, 1.465 in. Outside Diameter, 420 lbs./in. Rate, 0.950 in. Coil Bind Height, Set of 16

Part Number: HRS-98438

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Valve Covers, Tall, Cast Aluminum, Polished, Plain, Chevy, Small Block, Pair

Part Number: MRG-6854

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Valve Covers, Sniper EFI, Fabricated, Aluminum, Short, Baffled, Black, 1.25 in. Breather Holes, Hardware, Chrysler, Dodge, Plymouth, 383-440ci, Pair

Part Number: SNE-890005B

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Valve Covers, Stock Height, Steel, Chrome, Plain, Chevy, Small Block, Pair

Part Number: MRG-9800

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Oil Breather/Filler Cap, Push-On Style, 2.75 in. Diameter., 2.45 in. Height, Plain Chrome Plated, Each

Part Number: MRG-9810

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Valve Spring and Retainer Kits, Performance, Single, Beehive, 1.207 in. O.D., 340 lbs./in., Locks, Retainers, Chevy, 4.8L LS, Kit

Part Number: HRS-98112-K1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Valve Cover Breather, Push-in, Round, Steel, Matte Black Powdercoated, Mr. Gasket Logo, Each

Part Number: MRG-2054BP

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Idler Pulley, Serpentine, 6-groove, Steel, Black, Jeep, 4.2L, Each

Part Number: CWA-J3239821

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Rocker Arm Hold-Down Bolt, Hex Head, 5/16-18 in. Thread Size, Steel, Natural, Dodge, Jeep, Each

Part Number: CWA-J8120512

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .603 in. Outside Diameter, Set of 16

Part Number: MRG-920G

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Valve Springs, Single, Conical, 1.280 in. Diameter, 412 lbs./in., 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98113

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Oil Dipstick, Chrome, Steel, Ford, 351W, Each

Part Number: MRG-6921

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Valve Spring and Retainer Kits, Single, Standard, 1.265 in. O.D., 425 lbs./in., Chromoly Retainers, 10-Degree Alloy Steel Locks, Damper Spring, Kit

Part Number: HRS-98212-K12

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Free Shipping

Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 13/16-16 in. Thread, Each

Part Number: MRG-1272

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Today