1978 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Cloyes Replacement Timing Chains C168

Timing Chain, Replacement Chain Only, Heavy Duty Single Roller, Chevy, Big Block, Each

Part Number: CLO-C168

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11873-1

Valve, Exhaust, Stainless Steel, 1.710 in. Diameter, .341 in. Stem, 5.042 in. Length, Ford, Each

Part Number: MAN-11873-1

Not Yet Reviewed

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PRW Pro Series Stainless Steel Rocker Arms 0245403-01

Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.73 Ratio, Fits 7/16 in. Stud, Chevy, Big Block, Each

Part Number: PQX-0245403-01

Not Yet Reviewed

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Scorpion Race Series Rocker Arms SCP1020-1

Scorpion Race Series Rocker Arms SCP1020-1

Rocker Arms, Race Series, Ford 289-351W, Full Roller, 1.72 Ratio, 7/16 in. stud, Each

Part Number: SCC-SCP1020-1

Not Yet Reviewed

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COMP Cams Magnum Roller Tip Rocker Arms 1450-1

Rocker Arm, Stud Mount, Roller Tip, Steel, 1.7 Ratio, Fits 3/8 in. Stud, Ford, Small Block, Each

Part Number: CCA-1450-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11749-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 5.065 in. Length, Each

Part Number: MAN-11749-1

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11747-1

Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, 5.140 in. Length, Chevy, Small Block, Each

Part Number: MAN-11747-1

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Melling Replacement Timing Chains 491

Timing Chain, Single Non-roller, Steel, Buick, Ford, Each

Part Number: MEL-491

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Speed-Pro Hypereutectic Pistons WH860CP60

Piston, Hypereutectic, Flat, 4.060 in. Bore, 3.75 in. Stroke, 5/64 in., 5/64 in., 3/16 in. Rings, Chevy, Each

Part Number: SLP-WH860CP60

Not Yet Reviewed

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Milodon Lifter Valley Baffles 32610

Baffle, Lifter Valley, Steel, Gold Iridite, Chevy, Small Block, Each

Part Number: MIL-32610

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Moroso Lifter Valley Oil Baffles 25050

3 out of 5 stars ( 1 )

Estimated Ship Date: Today

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King HP-Series Main Bearings MB 556HP020X

Main Bearings, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556HP020X

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Milodon Windage Tray Stud Kits 81148

Windage Tray Stud, Steel, Black Oxide, Chevy, Small Block, Each

Part Number: MIL-81148

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pioneer Shaft Keys PK-9-100

Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, 3/16 in. Tall, AMC, Buick, Cadillac, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Set of 100

Part Number: PIO-PK-9-100

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

King CP-Series Rod Bearings CR 815CP 030

Rod Bearings, .030 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, Set of 8

Part Number: KGB-CR815CP030

Not Yet Reviewed

Estimated Ship Date: Today

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Milodon Timing Pointers 65760

Timing Pointer, Billet Aluminum, Black, 8.000 in. Diameter Balancer, Chevy, Each

Part Number: MIL-65760

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Trick Flow® Valve Cover Accessory Kits TFS-25200804

Valve Cover Accessory Kit, Studs, Bolts, Washers, Nuts, Ford, Mercury, 351C, 351M, 400, Kit

Part Number: TFS-25200804

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Trick Flow® Replacement Valves TFS-30300211

Valve, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.960 in. Length, Small Chevrolet, Each

Part Number: TFS-30300211

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Trick Flow® Replacement Valves TFS-61400212-1

Valves, Exhaust, Stainless Steel, 1.57 in. Diameter, 8.66mm Stem, 132.08mm Length, Powerport®, Each

Part Number: TFS-61400212-1

Not Yet Reviewed

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Allstar Performance Adjustable Timing Pointers ALL90024

Timing Pointer, Billet Aluminum, Black Anodized, Adjustable, 7.25 in. Balancer, Chevy, Small Block, Each

Part Number: AAF-ALL90024

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Proform Extruded Aluminum Shaft Mount Roller Rocker Arms 66868R

Rocker Arm, Shaft Mount, Roller, Aluminum, 1.5 Ratio, Chrysler, Big Block, Right Side, Each

Part Number: PRO-66868R

Not Yet Reviewed

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Engine Works P-Series Main Bearing Sets MS829P

Main Bearings, P-Series, Standard Size, 1/2 Groove, Upper, Tri Metal, Chevy, Big Block, 396-454, Set of 5

Part Number: EW1-MS829P

Not Yet Reviewed

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King XP-Series Main Bearings MB 556XP 020

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556XP020

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Allstar Performance Steel Valve Covers ALL26145

Valve Covers, Tall, Perimeter Bolt Mounting Style, Steel, Zinc Finish, Chevy, Small Block, Pair

Part Number: AAF-ALL26145

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Howards Cams Direct Lube Extreme-Duty Mechanical Lifters 91218-1

Lifter, Mechanical Flat, Direct Lube, Ford, 221-302, 351C, 351M, 351W, 400, 429, 460, Each

Part Number: HRS-91218-1

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

PRW Platinum Series Shaft-Mount Rocker Arms 3244012-L1

Rocker Arm, PQx Platinum Series Shaft-Mount, Bushed, Roller Tip, Stainless Steel, Natural, 1.6 Ratio, Chrysler, Dodge, Big Block, Left Offset, Each

Part Number: PQX-3244012-L1

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today