Engines & Components

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier second, Std. Tension oil, File fit for 4.075 in. bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045075

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Cylinder Head Studs, 12-Point Nuts, Chevy, Big M Block, Aftermarket Heads, Kit

Part Number: DRT-64210240

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/17/2025

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Valve Springs, 1200 Series Drag Race, Triple, 1.645 in. O.D., 687 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1248-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Connecting Rods, Compstar, Forged, H-Beam, ARP Cap Screws, Bushed Pin, 6.385 in. Length, Chevy, Set of 8

Part Number: CPI-B6385ES3B9AH

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Gear Drive, Single Idler, Flat Cover Style, Chevy, Big Block, Mark IV, Set

Part Number: MIL-12700

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Oil Filter, Racing, 13/16 in.-16 UNF Thread, 4.281 in. High, Each

Part Number: MOR-22459

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/17/2025

Lifters, Hydraulic Flat Tappet, Chevy, Set of 16

Part Number: CRO-66000X3-16

4.24 out of 5 stars ( 21 )

Estimated Ship Date: Monday 11/17/2025

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Engine Oil Accumulator, 3 Quarts, 20.125 in. x 4.25 in., Aluminum, Natural Finish, Gauge, Shut-Off Valve, Each

Part Number: MOR-23900

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/17/2025

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Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.7 Ratio, Chevy, LS, Set of 16

Part Number: SUM-G6980

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Monday 11/17/2025

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Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400656

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

Summit Factory Performance Stage 3 LS Single Plane Cam, 236/246 110 +0 .612/.612 Lift, LS1 LS2 LS6 LS3 LQ9, Summit's version of Factory LSX 454 cam

Part Number: SUM-8702

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/17/2025

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Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome,10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R24367802

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: SUM-G6910B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/17/2025

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Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00012

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

Crankshaft, Magnum, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 4.500 in. Stroke, Standard Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ42B-MG

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Pro SBC Retrofit Stage 5 Hyd. Roller LS Firing Order Cam, 242/252 Dur., 110 LSA + 4 Adv, .550/.550 1.5 Ratio, .587/.587 1.6 Ratio, 2600-6600 RPM Range

Part Number: SUM-1225

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350 Mains, Each

Part Number: SCA-935056

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/17/2025

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Cylinder Head, Performer, Aluminum, Assembled, 60cc Chamber, 170cc Intake Runner, Ford, 5.0, 5.8L, Each

Part Number: EDL-60379

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Pulley Set, Performance Ratio, Serpentine, V-Belt, Aluminum, Black Hardcoat, Chevy, Kit

Part Number: JRP-1441-AR-CE

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Engine Dipstick, Universal, Braided Steel, Natural, Each

Part Number: CTR-20-854

3.07 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/17/2025

Pro LS Crank and Rods, Forged 4340 Steel Crank, 4 in. Stroke, Forged 4340 Steel H-Beam Rods, 6.125 in. Rod Length, Chevy, LS, Kit

Part Number: SUM-CR4024125

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

Pro SBC Retrofit Stage 1 Hyd. Roller LS Firing Order Cam, 212/218 Dur., 110 LSA + 2 Adv, .525/.520 1.5 Ratio, .560/.555 1.6 Ratio, 1500-6000 Range

Part Number: SUM-1221

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Oil Preheater, External Pad, 5 in. x 7 in., Kit

Part Number: MOR-23996

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/17/2025

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.005 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045010

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Piston Rings, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-00

3.68 out of 5 stars ( 22 )

Estimated Ship Date: Monday 11/17/2025