CHEVROLET Engines & Components

Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16

Part Number: SUM-141560

4.33 out of 5 stars ( 70 )

Estimated Ship Date: Today

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 5.700 in. Length, 550 HP, Chevy, Small Block, Set of 8

Part Number: SUM-180371B

4.56 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each

Part Number: SUM-152123

4.79 out of 5 stars ( 129 )

Estimated Ship Date: Today

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Pro LS Valve Springs, LS6 Style, 0.550 Max Lift, Single Beehive, 1.270 in. O.D., 375 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174002

4.78 out of 5 stars ( 27 )

Estimated Ship Date: Mar 30, 2026 if ordered today

Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit

Part Number: TFS-2500286P

3.23 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Crate Engine, Dressed with Fuel Injection, Long Block, 383 Stroker, 436 HP, 443 TQ, New Block, Aluminum Heads, Chevy, Small Block, Each

Part Number: MLL-BP38318CTF1

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Cylinder Head, PowerOval® 280, Aluminum, Assembled, 113cc Chamber, 280cc Intake, Chevy, Big Block, Each

Part Number: TFS-41310001-M13

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Camshaft, Hydraulic Roller, OE Roller, Street/Strip Use, 212 Intake Duration, 0.498 in./0.498 in. Lift, Chevrolet, Small Block LS, Each

Part Number: BTC-S0393

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 288/298, Lift .444/.466, Chevy, Small Block, Kit

Part Number: SUM-K1103

4.6 out of 5 stars ( 124 )

Estimated Ship Date: Today

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Crate Engine, GM 383 C.I.D. 436 HP Dressed Stroker Long Block, 4-bolt Mains, 10.0:1 Compression, Throttle Body Style EFI, Chevrolet, 5.7L, 6.3L, Each

Part Number: MLL-BP38318CTFD

Not Yet Reviewed

Estimated Ship Date: Today

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Harmonic Balancer Bolt, 1.062 in. 12-Point Head, 4.325 in. UHL, Chromoly, Black Oxide, LS Gen. III/IV, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, Each

Part Number: ARP-234-2503

4.95 out of 5 stars ( 178 )

Estimated Ship Date: Today

Camshaft/Lifter Set, Hydraulic Flat Tappet, Advertised Duration 279/297, Lift 0.479 in./0.465 in., for Gears and TC Upgrade, Small Block, Chevy, Kit

Part Number: CCA-K12-600-4

4.11 out of 5 stars ( 35 )

Estimated Ship Date: Today

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Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94M

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Core Charge $510.00
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Camshaft, Hydraulic Flat Tappet, Advertised Duration 288/298, Lift .444/.466, Chevrolet, Small Block, Each

Part Number: SUM-1103

4.75 out of 5 stars ( 89 )

Estimated Ship Date: Today

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Rocker Arms, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Set of 16

Part Number: SUM-141556

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Crate Engines, GM 383 C.I.D. 445 HP Dressed Power Adder Stroker Long Block, 6.3L/383, Assembled, Internal/External Balance, Chevy, Small Block, Each

Part Number: MLL-BP38317CT1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Crate Engine, Longblock, 350 C.I. Fuel Injection, 390 HP, 410 TQ, New Block, Aluminum Heads, Chevy, Small Block, Each

Part Number: MLL-BP3505CTFD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Rocker Arms, Roller Bearing Trunnion, L92/LS9/LS3, Assembled, Heavy Duty Cast Steel, 1.7 Ratio, Rectangle Port, Chevy, Set of 16

Part Number: SUM-141554

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Oil Pan, Engine Swap, Low Profile, Aluminum, Natural, 3.620 in. Stroke, 5.7 Quarts, Chevy, 4.8, 5.3, 6.0L, Each

Part Number: HLY-302-2

4.62 out of 5 stars ( 131 )

Estimated Ship Date: Today

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Lifters, Hydraulic Roller, Lifter Trays, Chevy, LS, Kit

Part Number: SUM-HTLSKIT1

4.52 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Crate Engine, Dressed, Long Block, 454 Stroker, 563 HP, 545 TQ, New Block, Aluminum Heads, 4-Bolt Mains, Chevrolet, Small Block, Each

Part Number: MLL-PS4541CTC1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crate Engine, Long Block, Chevy, Small Block, Dressed Engine, SBC 400 Crate Motor Aluminum Heads, Forged

Part Number: MLL-BP4002CTC1

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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