Engines & Engine Parts at Summit Racing

Milodon Megaflow Competition Valves 45005-1

Valve, Intake, Race, Stainless Steel, 1.94 in. Diameter, Chevy, Small Block, 350, 383, 400, Each

Part Number: MIL-45005-1

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

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Manley Race Series Stainless Steel Valves 11522-1

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Milodon Street Stainless Valves 45615-1

Valve, Exhaust, Stainless Steel, 1.60 in. Diameter, Chevy, Small Block, 350, 383, 400, Each

Part Number: MIL-45615-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Eagle Specialty Products Engine Rotating Kits 62054030

Pro Street assembly, 383 CID, -18CC KB

Part Number: ESP-62054030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Wiseco Pistons K0119A6

Wiseco Pistons K0119A6

Big Block Mopar 383/400/440 Flat Top

Part Number: WIS-K0119A6

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Wiseco Pistons K0126A125

Big Block Mopar 383/400/440 Flat Top

Part Number: WIS-K0126A125

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

ICON Pistons SIC9966.060

Piston, ICON FHR Single Piston - Chevy 383, 6.00 Rod, 5cc Flat Top 2V

Part Number: UEM-SIC9966060

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

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ICON Pistons SIC9966.STD

Piston, ICON FHR Single Piston - Chevy 383, 6.00 Rod, 5cc Flat Top 2V

Part Number: UEM-SIC9966STD

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Diamond Pistons Pistons 51912-8-H

383 4.310B/1.720CD/Kit

Part Number: DPP-51912-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Diamond Pistons Pistons 51950-8-H

383 4.280B/1.320CD/Kit

Part Number: DPP-51950-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Eagle Specialty Products Engine Rotating Kits B13055L03053

Street & Strip assembly, 383 cid, KB -7CC

Part Number: ESP-B13055L03053

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Diamond Pistons Pistons 51900-8-H

383 4.280B/1.916CD/Kit

Part Number: DPP-51900-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Diamond Pistons Pistons 51903-8-H

383 4.310B/1.916CD/Kit

Part Number: DPP-51903-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Diamond Pistons Pistons 51907-8-H

383 4.280B/1.516CD/Kit

Part Number: DPP-51907-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Diamond Pistons Pistons 51908-8-H

383 4.310B/1.516CD/Kit

Part Number: DPP-51908-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Diamond Pistons Pistons 51910-8-H

383 4.280B/1.720CD/Kit

Part Number: DPP-51910-8-H

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ICON Pistons SIC9961.080

Piston, ICON Single FHR Piston Chevy 383, 6.00 Rod, 10cc Flat Top 4V

Part Number: UEM-SIC9961080

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

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ICON Pistons SIC9966.080

Piston, ICON FHR Single Piston - Chevy 383, 6.00 Rod, 5cc Flat Top 2V

Part Number: UEM-SIC9966080

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

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COMP Cams Nostalgia Plus Cam and Lifter Kits K21-670-4

Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 280/287, Lift .474/.474, Mopar, 383-440, Kit

Part Number: CCA-K21-670-4

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

COMP Cams Xtreme Energy Hi-Lift Cam and Lifter Kits K21-229-4

Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 295/307, Lift .564/.564, Mopar, 383-440, Kit

Part Number: CCA-K21-229-4

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

COMP Cams Magnum Hydraulic Cam and Lifter Kits K21-237-4

Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 280/280, Lift .480/.480, Mopar, 383-440, Kit

Part Number: CCA-K21-237-4

Not Yet Reviewed

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ICON Pistons, Custom Order SIC733L.030

ICON Forged Left Single Piston - Chevy 383 Rod 6.000 Dome -6.3cc 2V

Part Number: UEM-SIC733L-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Eagle Competition Rotating Assemblies 129063905

Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Dish Pistons, 1-Piece Seal, Chevy, 383, LS, Kit

Part Number: ESP-129063905

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Manley Rotating Assemblies 290935R

ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035

Part Number: MAN-290935R

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Manley Rotating Assemblies 290935RH

ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035

Part Number: MAN-290935RH

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Manley Rotating Assemblies 290940

KIT-SBC 383 3.750/4.040

Part Number: MAN-290940

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today