CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Harmonic Balancer, Super Damper Standard, Internal Balance, Aluminum, Black Zinc Chromate, Chevy, LS with 1.483 in. Snout, Each

Part Number: ATI-917211

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 4.020 in. Bore, 0.927 in. Wrist Pin, GM, LS, 6.0/6.2L, Set

Part Number: UEM-IC9991C-020

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Estimated Ship Date: Monday 9/15/2025

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Stage 5.5 Pro LS Twin-Turbo Cam. 251/255 Dur., 117 + 6, .625/.615 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LQ4 LQ9, Each

Part Number: SUM-8726R1

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Estimated Ship Date: Monday 9/15/2025

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 275/295, Lift .553/.536, Chevy, Small Block, LS

Part Number: CCA-54-600-11

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

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Valve Springs, RPM Series, Beehive, Single, 1.290 in. O.D., 384 lbs/in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1211X-16

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Estimated Ship Date: Monday 9/15/2025

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Camshaft, Big Daddy Rattler, LS-Series, Hydraulic/OE Roller, 3 Bolt, Street/Strip, Lopey Idle, 290/297 Duration, 0.625 in. Lift, 103 Centerline, Each

Part Number: HRS-198135-09

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Harmonic Balancer, PQx, Internal Balance, Black, Chevy, LS, Each

Part Number: PQX-2432340

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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Harmonic Balancer, Super Damper Serpentine Series, Internal Balance, Aluminum, Elastomer, Chevy, Pontiac, Each

Part Number: ATI-918845

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

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Valve Cover Set, LS Race, Lightweight Die Cast Aluminum, With Coil Mounts, Silver Powder Coat, Pair

Part Number: SUM-440825

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Estimated Ship Date: Monday 9/15/2025

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Pro LS Big Gun 3 Hydraulic Roller Cam, Stage 5, 247/255, 117 + 7, .625/.605 with 1.7, .662/.641 with 1.8, 4200-7300+ RPM, 6.2+, Each.

Part Number: SUM-8731R1

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Estimated Ship Date: Monday 9/15/2025

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Rocker Arms, Roller Fulcrum, Pedestal, 1.7 Ratio, Ductile Iron, Chevy, Small Block LS, Set of 16

Part Number: SME-K-143021

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Estimated Ship Date: Monday 9/15/2025

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Valve Covers, Vintage Series, Centerbolt, Stock Height, Finned, Cast Aluminum, Polished Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-131

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.6 Quarts, Aluminum, Black Finish, Chevy, GMC, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-302-4BK

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Camshaft, BTR, PDS Stage 1, 217 int. Duration, 0.619 in./0.607 in. Lift, 114, 3-Bolt, 4.8L, 5.3L, 6.0L, 6.2L, Gen III/IV LS, Each

Part Number: BTC-S0394

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 283/291, Lift .602/.605, Chevy, LS, Each

Part Number: CCA-SUMLSGT104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Oil and Vacuum Pump Drive, Chevy, 4.8, 5.3, 6.0L, Each

Part Number: MOR-63860

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Estimated Ship Date: Monday 9/15/2025

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 4.000 in. Bore, 0.927 in. Wrist Pin, GM, LS, 6.0/6.2L, Set

Part Number: UEM-IC9991C-STD

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 273/281, Lift .610/.617, Chevy, Small Block, LS

Part Number: CCA-54-457-11

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1505CPA50MM

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Estimated Ship Date: Monday 9/15/2025

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Piston, Hypereutectic, Flat, 3.809 in. Bore, Chevy, 4.8L, 5.3L, Set of 8

Part Number: SLP-H1132CPA75MM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Finned, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-180

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

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• Special Order

Lifter Valley Plate, Aluminum, Natural, GM, LS3, Each

Part Number: NAL-12599296

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/15/2025

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Camshaft Kit, Pro LS Single Plane, Hydraulic Roller Tappet, Advertised Duration 289/300, Lift .525/.525, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8700-2-BHV

4.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted
• Ground
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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 9/15/2025

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