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

Trick Flow® Roller Rocker Arms TFS-51400510-1

Rocker Arm, 1.6 Ratio, 3/8 in. Stud, Full Roller Design, Aluminum, Small Ford and 351W, Each

Part Number: TFS-51400510-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Trick Flow® Pushrod Guideplates TFS-31500623-4

Trick Flow® Pushrod Guideplates TFS-31500623-4

Guideplates, Flat, 5/16 in. Pushrod Size, Chevy, Small Block, Twisted Wedge® Gen 2, Set of 4

Part Number: TFS-31500623-4

Not Yet Reviewed

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Manley Race Series Stainless Steel Valves 11730-1

Valve, Intake, XH-426 Stainless, 2.300 in. Head Diameter, 5.244 in. Length, Chevy, Big Block, Each

Part Number: MAN-11730-1

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

ACL Direct Replacement Rod Bearing Sets 8B743P-10

Rod Bearings, Duraglide, P-Series, Tri-Metal, Copper/Lead Alloy, 0.01 in./0.25 mm Undersize Crankshaft, Chevy, 6.5L, 6.6L, 7.3L, 7.4L, Set of 8

Part Number: PEB-8B743P-10

Not Yet Reviewed

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Cloyes Gear Timing Chains C160

ENGINE TIMING CHAIN

Part Number: CLO-C160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Howards Cams Billet Aluminum Rocker Arms 90079-1

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.8 Ratio, Fits 7/16 in. Stud, Chevy, 396-454, V8, Each

Part Number: HRS-90079-1

1.0 out of 5 stars ( 1 )

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Pioneer Replacement Cylinder Head Fasteners S-350

Cylinder Head Fasteners, Replacement, Bolt Style, Hex Head, Steel, Services One Cylinder Head, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Set of 10

Part Number: PIO-S-350

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

Howards Cams Variable Duration Hydraulic Lifters 91002-1

Lifter, Chev V-8, Hyd, Variable Duration, Ea.

Part Number: HRS-91002-1

5.0 out of 5 stars ( 1 )

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Melling Oil Pump Replacement Parts P-20L

KIT-THRUST PLATE

Part Number: MEL-P-20L

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silver Sport Transmission Cylinder Head Dowel Pins BHJ-01007

Offset Dowel Pins AMC Jeep .007

Part Number: IST-BHJ-01007

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Moroso Crankshaft Wipers 25800

Crankshaft Wiper, Steel, Natural, .035 in. Thick, Trim to Fit, Chevy, Small Block, Each

Part Number: MOR-25800

3.5 out of 5 stars ( 2 )

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King XP-Series Rod Bearings CR4481XP

Rod Bearing, XP-Series, Copper/Lead/Nickel, Standard Size, Dodge, Eagle, Plymouth, Set of 4

Part Number: KGB-CR4481XP

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

PRW Pushrod Guideplates (PowerPlus+) 1130200

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

Part Number: PQX-1130200

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Sealed Power CP-Series Rod Bearings 6-3310CPA 20

Rod Bearings, 0.020 in. Crankshaft Undersize, Tri Metal, AMC, Jeep, L6, 3.3L, 3.8L, 4.0L, 4.2L, Set of 6

Part Number: SLP-63310CPA20

4.0 out of 5 stars ( 1 )

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S&S Cycle Drive Sprocket Spacers 31-4011

Engine Accessories, 70-99 BIG TWIN, SPROCKET SHAFT SPACER

Part Number: SSY-31-4011

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Melling Oil Pump Screen Assemblies 81-S1

Oil Pickup, Press Fit, Stock Pan Style, 0.500 in Tube Diameter, International, Jeep, L6, 232, 258, Each

Part Number: MEL-81-S1

Not Yet Reviewed

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Wiseco 4-Stroke Piston Rings for 1975-1977 CB550F SUPER SPORT, 1974-1978 CB550K - 2323XE

Piston Rings, Chrome, 59.00mm, for use on Honda®, Set

Part Number: WIS-2323XE

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

COMP Cams Replacement Magnum Timing Chains 2001CPG

Timing Chain; Magnum Double Roller; Timing Chain; Chain. Only; Chevy;

Part Number: CCA-2001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Proform Harmonic Balancer Covers 141-727

Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-727

5.0 out of 5 stars ( 3 )

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Engine Works Timing Covers 130052

Timing Cover, 1-Piece, Aluminum, Polished, Chevy, Small Block, Each

Part Number: EW1-130052

Not Yet Reviewed

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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11554-1

Valve, Intake, NK-844 Stainless Steel, 2.065 in. Diameter, .372 in. Stem, 5.325 in. Length, Chevy, Each

Part Number: MAN-11554-1

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 Pro Flo Series Stainless Steel Valves 11570-1

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each

Part Number: MAN-11570-1

Not Yet Reviewed

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Milodon Street Stainless Valves 45645-1

Valve, Exhaust, Stainless Steel, 1.60 in. Diameter, Mopar, Small Block, 318, 340, 360, Each

Part Number: MIL-45645-1

5.0 out of 5 stars ( 1 )

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Manley Severe Duty Series Stainless Steel Valves 11231-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .313 in. Stem, 5.040 in. Length, Chevy, Each

Part Number: MAN-11231-1

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 Pro Flo Series Stainless Steel Valves 11827-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.936 in. Length, Chevy, Each

Part Number: MAN-11827-1

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