Engines & Engine Parts at Summit Racing

Speed-Pro Hypereutectic Pistons H345DCP 20

Pistons, Hypereutectic, Flat, 4.020 in. Bore, Chevy, Set of 8

Part Number: SLP-H345DCP20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Coated Hypereutectic SBC 350 Pistons SUM-17351C-20

5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026

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Speed-Pro Hypereutectic Pistons H615CP40

Pistons, Hypereutectic, Dish, 4.165 in. Bore, Chevy, Set of 8

Part Number: SLP-H615CP40

4.67 out of 5 stars ( 3 )

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

Speed-Pro Hypereutectic Pistons WH423DCP

Pistons, Hypereutectic, Chevy 350, Dish, 4.000 in. Bore, Each

Part Number: SLP-WH423DCP

4.75 out of 5 stars ( 4 )

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

Speed-Pro Hypereutectic Pistons H654CP

Pistons, Hypereutectic, Dish, 4.000 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP

4.0 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

Engine Works Engine Finishing Kits 46503

Engine Finishing, Head Dowels, Cam Bolt, Crank Key, Oil Pump Dowel, Fuel Pump Eccentric, Small Ford, Kit

Part Number: EW1-46503

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

Manley Lightweight H-13 Tool Steel Retainers 23660TS-16

RET-H13 10 DEG 1.550,+.100 DBL

Part Number: MAN-23660TS-16

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Manley Lightweight H-13 Tool Steel Retainers 23672TS-16

RET-H-13 SUPER 7 1.570, DOUBLE

Part Number: MAN-23672TS-16

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

PRW Pro Series Billet Aluminum Rocker Arms 6542102

ROCKER ARMS, PRO SERIES ALUM, PONT 287-455 & 4.3L V8 1958-81, 1.65 x 7/16"

Part Number: PQX-6542102

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Hastings Claimer Series Performance Piston Ring Sets CM5534030

Piston Rings, Claimer Series Performance Ring Sets, 0.030 in. Oversize, 4.155 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in., L8, V8, Set of 8

Part Number: HSN-CM5534030

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

Speed-Pro Hypereutectic Pistons H749CP 30

Pistons, Hypereutectic, Flat, 4.280 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H749CP30

1.8 out of 5 stars ( 5 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Speed-Pro Hypereutectic Pistons H859CP40

Pistons, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Set of 8

Part Number: SLP-H859CP40

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

Speed-Pro Hypereutectic Pistons WH661CP 30

Speed-Pro Hypereutectic Pistons WH661CP 30

Piston, Hypereutectic, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, GMC, 454, Each

Part Number: SLP-WH661CP30

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

Summit Racing™ Valve Covers SUM-G3396

Valve Covers, Steel, Chrome, Stock Height, Flames, Chevy, Big Block, Pair

Part Number: SUM-G3396

5.0 out of 5 stars ( 3 )

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

PRW Pro Series Billet Aluminum Rocker Arms 6539604

ROCKER ARMS, PRO SERIES ALUM, CHEV 396-454 1966-00, 1.8 x 7/16"

Part Number: PQX-6539604

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Milodon Megaflow Competition Valves 45045-8

Valves, Exhaust, Race, Stainless Steel, 1.60 in. Diameter, Chevy, Small Block, 350, 383, 400, Set of 8

Part Number: MIL-45045-8

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

Speed-Pro Hypereutectic Pistons WH883CP

Piston, Cast, Dodge, Jeep, 4.7L, Each

Part Number: SLP-WH883CP

5.0 out of 5 stars ( 3 )

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

PRW Pro Series Billet Aluminum Rocker Arms 6535021

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1987-00, 1.6 x 3/8", narrow body, self-align

Part Number: PQX-6535021

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

PowerBond Street Performance Harmonic Balancers for 1969 FAIRLANE, 1968-1969 FALCON - PB1060ST

Harmonic Balancer, Street Performance, 28 oz. External Balance, Ford, 5.0L/302, Each

Part Number: PBB-PB1060ST

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

JE Pistons Lock Rings 866-063-MW

Wrist Pin Lock Ring, Wire Lock, Chrome Silicone, .866 in. Pin Diameter, .063 in. Thick, Each

Part Number: JEP-866-063-MW

4.67 out of 5 stars ( 3 )

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

K&N Powersports Oil Filters KN-652

Oil Filter, Powersports, Cartridge, 3.44 in. Tall, 0.47 in. ID, 1.31 in. OD, GasGas, Husqvarna, Husaberg, KTM, Each

Part Number: KNN-KN-652

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

Speed-Pro Hypereutectic Pistons H418CP 30

Pistons, Hypereutectic, Dish, 4.390 in. Bore,, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H418CP30

3.0 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

Trend Pushrods TP1 Series Wrist Pins CA8662500200CD

TP1 .866D 2.500L .200W CP Chamfered and

Part Number: TPD-S0427

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

PAC Racing Hot Rod Series Valve Springs PAC-1901

Valve Springs, Hot Rod Series, Dual, 1.540 in. O.D., 492 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: RSC-PAC-1901

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 NI6496-905

Nissan VR38DETT 165mm - Boost Line

Part Number: BLN-NI6496-905

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

JE Pistons Lock Rings 927-042-CT

Wrist Pin Retainer, Tru Arc Lock, 0.927 in. Diameter, .042 in. Thick, Each

Part Number: JEP-927-042-CT

4.5 out of 5 stars ( 2 )

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