Engines & Engine Parts at Summit Racing

Milodon Megaflow Competition Valves 45136-1

Valve, Exhaust, Race, Stainless Steel, 1.88 in. Dia., +.100 Long, Chevy, Big Block, 396, 427, 454, 502, Each

Part Number: MIL-45136-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

BoostLine Connecting Rods CH5945-866

Dodge SRT4 151mm - Boost Line

Part Number: BLN-CH5945-866

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

BoostLine Connecting Rods HN5658-866+

Honda K20C 143.66mm ARP +625 - Boost Line

Part Number: BLN-S0017

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 42239CP.030

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42239CP-030

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40723CP

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.250 in. Bore, 3/32 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-40723CP

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Trend Pushrods TP1 Series Wrist Pins CA7872250220D

TP1 .787D/2.250L/.220W COATED WRIST PIN

Part Number: TPD-S0387

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

COMP Cams Belt Drive Replacement Components 6502LS-1

COMP Cams Belt Drive Replacement Components 6502LS-1

Timing Cover Seals, Lower Crankshaft Seal, Steel/Rubber, Hi-Tech 6502 and 6506, Each

Part Number: CCA-6502LS-1

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Scat Forged Pro Series Standard Weight Crankshafts 4-350-3500-5700-2-20

4340 Forged Pro Series

Part Number: SCA-435022-2

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scat Forged Pro Series Standard Weight Crankshafts 4-350-3562-5700-2-20

4340 Forged Pro Series

Part Number: SCA-435032-2

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Mahle Original OE Replacement Single Piston and Ring Kits 224-3663WR

Piston With Rings, Hypereutectic, Dish, 6.0L, 2nd Design, Each

Part Number: MAH-2243663WR

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Wiseco Piston Lock Rings W5219

ROUND WIRE PIN LOCKS (PAIR)

Part Number: WIS-W5219

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Milodon Megaflow Competition Valves 45137-8

Valves, Exhaust, Race, Stainless Steel, 1.88 in. Dia., +.350 Long, Big Chevy, 396, 427, 454, 502, Set of 8

Part Number: MIL-45137-8

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Hastings Claimer Series Performance Piston Ring Sets CM5521040

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-CM5521040

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB297.STD

Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-STD

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

KB Performance V-Twin Piston and Ring Kits KB348.040

Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit

Part Number: UEM-KB348-040

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

PRW Platinum Series Shaft-Mount Rocker Arms 3244013-L1

Rocker Arm, PQx Platinum Series Shaft-Mount, Bushed, Roller Tip, Stainless Steel, Natural, 1.7 Ratio, Chrysler, Dodge, Big Block, Left Offset, Each

Part Number: PQX-3244013-L1

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

PRW Pro Series Billet Aluminum Rocker Arms 0335023-01

ROCKER ARM, 6061 BILLET ALUM, CHEV 262-400 1955-86, 1.65 x 3/8", self-align, Single Rocker Arm

Part Number: PQX-0335023-01

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Total Seal AP Steel Street and Race Piston Ring Sets CS1124125-

Piston Ring, AP STEEL TOPS NAPIER 2NDS STANDARD TENSION OILS, 4.125+5 1.0 1.0 2.0 8CYL

Part Number: TSR-CS1124125

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

Milodon Megaflow Competition Valves 45065-8

Valves, Intake, Race, Stainless Steel, 2.08 in. Dia., +.250 Long, Chevy, Small Block, 350, 383, 400, Set of 8

Part Number: MIL-45065-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Milodon Megaflow Competition Valves 45265-8

Valves, Exhaust, Race, Stainless Steel, 1.88 in. Diameter, Mopar, Big Block, 383 - 440, Set of 8

Part Number: MIL-45265-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB660C.020

Piston, V-Twin, Forged Aluminum, 3.895 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB660C-020

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

KB Performance V-Twin Piston and Ring Kits KB272.010

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit

Part Number: UEM-KB272-010

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

BoostLine Connecting Rods SC6000-927

Connecting Rod, I-Beam, Chromoly 4340 Steel, Shot-Peened, Floating Pin, Chevrolet, Small Block, Set of 8

Part Number: BLN-SC6000-927

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle CRS Lightweight H-Beam Connecting Rods CRS6000BST2000

5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026

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Total Seal AP Steel Street and Race Piston Ring Sets CS1124040-

4.040+5 1.0 1.0 2.0 8CYL

Part Number: TSR-CS1124040

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits for 1996-2003 XL1200C SPORTSTER 1200 CUSTOM, XL1200S SPORTSTER 1200 SPORT, 1986-1987 XLH1100 - KB295.030

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit

Part Number: UEM-KB295-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today