Engines & Engine Parts

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360052

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Estimated Ship Date: Monday 11/10/2025

Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00012

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Estimated Ship Date: Monday 11/10/2025

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

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Estimated Ship Date: Monday 11/10/2025

Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R2436L7852

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Estimated Ship Date: Monday 11/10/2025

Adapter, Oil Cooler, 180 Degree Thermostat, Right Angle, Billet Aluminum, Black Anodized, -8 AN O Ring Thread, Chevy, LS, Each

Part Number: IRP-EGM-112-T4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8202

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Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Underdrive, Internal Balance, Aluminum, Steel, Black, Chevy, 5.7L, Each

Part Number: ATI-917279

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Camshaft, BTR, Centrifugal Supercharged Stage 2, 217 int. Duration, 0.619 in./0.617 in. Lift, 113, 3-Bolt, 4.8L, 5.3L, 6.0L, 6.2L, Gen III/IV LS, Each

Part Number: BTC-S0397

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Estimated Ship Date: Monday 11/10/2025

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9033

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9037

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Camshaft, V2, Stage 4, Hydraulic Roller, 233/24X Duration at 0.050 in., 0.636 in. Lift, 111 LSA, 3-Bolt, Chevy, LS, Each

Part Number: BTC-BTRLS1STAGE4

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Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Internal Balance, Aluminum, Black, 6.78 in. Diameter, Chevy, Pontiac, 5.7L, Each

Part Number: ATI-917277

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Chevrolet, GMC, L84, L87 L8T, LV3, Each

Part Number: ATI-917306

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Chevy, LS1, LS2, LS3, LS6, Each

Part Number: ATI-918847

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.065 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1830-4065

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Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Super Damper HTD Drive, Internal Balance, 7.48 in. Diameter, Aluminum/Steel, Black, Laser Etched Markings, Chevy, 4.8-6.0L, Each

Part Number: ATI-918657

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Estimated Ship Date: Monday 11/10/2025

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Camshaft, BTR, Truck Norris Cam, 212 int. Duration, 0.587 in./0.586 in. Lift, 109.5 LSA, 1-Bolt, 5.7L, Hemi Gen III, Each

Part Number: BTC-S0425

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Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L07512

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Estimated Ship Date: Monday 11/10/2025

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Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0752

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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BTR LS1 STAGE 1 CAMSHAFT V2

Part Number: BTC-BTRLS1STAGE1

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Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Black, Buick, V6, Each

Part Number: ATI-917456

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Estimated Ship Date: Monday 11/10/2025

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Camshaft, LS Truck Hoss Stroker, 219 int. Duration, 0.620 in./0.636 in. Lift, 112 LSA, 3-Bolt. Chevy, Gen III/IV LS, Each

Part Number: BTC-LSTRUCKHOSS

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Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Chevy/Pontiac, 5.7L, Each

Part Number: ATI-918844

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Estimated Ship Date: Monday 11/10/2025

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Camshaft, BTR, LS7 Stage 4 V2, 246 int./260 exh. Duration, 0.662 in./0.662 in. Lift, 111 LSA, 3-Bolt, 7.0L, Each

Part Number: BTC-BTRLS7STAGE4

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Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, Super Damper Serpentine, Internal Balance, Aluminum, Dodge, 5.7L, Each

Part Number: ATI-918454

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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