Engines & Components

Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

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Estimated Ship Date: Monday 11/10/2025

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Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod,, File-Fit Rings 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc

Part Number: SUM-PR400806

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Estimated Ship Date: Monday 11/10/2025

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Pulley Kit, Revolver Track, Serpentine, Aluminum, Clear Powdercoated, Standard Ratio, Chevy, Big Block, Kit

Part Number: MCH-21260

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pulleys, Revolver, Serpentine, Performance Ratio, Billet Aluminum, Black, Alternator, Chevy, Big Block, Kit

Part Number: MCH-21265-08

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Estimated Ship Date: Dec 22, 2025 if ordered today

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SPORT TRACK ULTRA

Part Number: MCH-21610-07

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pulleys, Ultra, Performance Ratio, Billet Aluminum, Clear Powdercoated, Chevy, Big Block, Set

Part Number: MCH-20780

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump, Counterclockwise

Part Number: MCH-21080

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pulley Kit, Serpentine, Aluminum, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Chevrolet Small Block, Short Water Pump, Kit

Part Number: MCH-21090-07

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pulleys, Style Track Serpentine System, Billet Aluminum, Clear Powdercoated, Chrysler, Dodge, Plymouth, Kit

Part Number: MCH-40730

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Estimated Ship Date: Dec 22, 2025 if ordered today

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PULLEY KIT

Part Number: MCH-40730-08

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Cylinder Head, LSX-SC, As-Cast, 70cc Combustion Chamber, Bare, Aluminum, Natural, Chevy, Each

Part Number: NAL-19417408

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Cylinder Heads, LSX, Bare, Aluminum, 70cc Chamber, 270cc Intake Runner, D-port Exhaust, Angle Plugs, Chevy, LSX, Each

Part Number: NAL-19419194

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Estimated Ship Date: Mar 6, 2026 if ordered today

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HEAD ASM CYL LSX LS7 CNC BARE

Part Number: NAL-19419196

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Estimated Ship Date: Mar 6, 2026 if ordered today

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POWER STEERING KIT

Part Number: NAL-19420210

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Connecting Rods, Ultra Xd, H-beam, 6.000 in. Length, Forged 4330 Steel, Chevy, Small Block, Set of 8

Part Number: CPI-U19135

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.573 in. / 90.77 mm Stroke, for use on Honda®, K Series, Each

Part Number: CPI-S22003

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Crankshaft, Compstar, Sport Series, Knife Edged, Billet 4340 Steel, 3.937 in. / 100 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each

Part Number: CPI-S23007

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Connecting Rod, Ultra, Forged 4340 Steel, H-Beam, Cap Screw, ARP L19, Bushed, 6.200 in. Length, Light Weight, Chevy, Small Block, LS Set of 8

Part Number: CPI-U16303

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Connecting Rods, Ultra Enforcer, H-Beam, Forged 4330 Steel, 5.850 in. Length, Floating, 12-Point Cap Screw, ARP L19, Coyote, Set of 8

Part Number: CPI-U16612

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Connecting Rods, Ultra, H-beam, Forged 4330 Steel, 6.000 in. Length, Floating, Chevy, Set of 8

Part Number: CPI-U16100

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Estimated Ship Date: Jan 21, 2026 if ordered today

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ULTRA H-BEAM ROD BBC 6.480 2.200

Part Number: CPI-U16205

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Connecting Rods, Ultra, H-beam, 6.535 in. Length, Forged 4330 Steel, Shot-peened, Chevy, Big Block, Set of 8

Part Number: CPI-U16210

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Connecting Rod, Ultra, Forged 4340 Steel, H-Beam, Cap Screw, ARP L19, Bushed, 6.100 in. Length, Light Weight, Chevy, Small Block, LS Set of 8

Part Number: CPI-U16290

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.110 in. / 79 mm Stroke, Internal Balance, Subaru, EJ20, Each

Part Number: CPI-S26002

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Connecting Rods, Compstar Xtreme, Forged 4340 Steel, H-Beam, 6.125 in Length, Cap Screws, Bushed Pin, Chevy, Small Block, Each

Part Number: CPI-S26008

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Estimated Ship Date: Jan 21, 2026 if ordered today

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