Engines & Engine Parts at Summit Racing

Manley Titanium Valve Spring Retainers 23681-16

Valve Spring Retainers, Titanium, 7 Degree, 1.610 in. Outside Diameter, .825 in. Inside Diameter, Set of 16

Part Number: MAN-23681-16

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

D.S.S. E Series Forged Pistons 8720-4030W

D.S.S. E Series Forged Pistons 8720-4030W

Pistons, Forged, Flat, 4.030 in. Bore, 351 Ford, Set of 8

Part Number: DMS-8720-4030W

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

King SI-Series Main Bearings MB 431SI

Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB431SI

Not Yet Reviewed

Estimated Ship Date: Jul 24, 2026 if ordered today

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Estimated Ship Date: Jul 24, 2026 if ordered today

King SI-Series Main Bearings MB 459SI0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 3.0L, Set of 4

Part Number: KGB-MB459SI025

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Manley Titanium Valves 11468T-1

Valve, Intake, Titanium, 2.180 in. Diameter, .342 in. Stem, 5.540 in. Length, Universal, Each

Part Number: MAN-11468T-1

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Engine Works Torque-to-Yield Head Bolts 800568

LS HEAD BOLTS TTY 04-UP OE GM#17800568 45MM/1.770

Part Number: EW1-800568

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

D.S.S. SX-Series Forged Pistons 8185-4000

Piston Set, 408 SBC SX Series -21cc Dish Top Piston Set. 4.000 bore

Part Number: DMS-8185-4000

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Manley Titanium Valve Spring Retainers 23649-1

Valve Spring Retainer, Titanium, 10 Degree, 1.625 in. Outside Diameter, .850 in. Inside Diameter, Each

Part Number: MAN-23649-1

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

King SI-Series Main Bearings MB5745SI

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Subaru, Sold as a Set of 5

Part Number: KGB-MB5745SI

Not Yet Reviewed

Estimated Ship Date: Jul 24, 2026 if ordered today

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Estimated Ship Date: Jul 24, 2026 if ordered today

King SI-Series Main Bearings MB5281SI0.5

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 4.6L, Set of 5

Part Number: KGB-MB5281SI05

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

RaceTec AutoTec Forged Pistons 1000545

Pistons, AutoTec BBF, 4.44, 4.3, Inverted Dome/Milled Dish 6.8, 1.04, BBF 429/460, Sold as a set of 8.

Part Number: PIS-1000545

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1831-4005

Pistons, Rings, SX-Series, Forged, 10.00cc Dish, 4.005 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1831-4005

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8126-4155

Piston Set, 400 SBC SX Series -28cc Dish Top Piston Set. 4.155 bore

Part Number: DMS-8126-4155

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8103-4030

Piston Set, 350 SBC SX Series -13cc Dish Top Piston Set. 4.030 bore

Part Number: DMS-K8103-4030

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

King SI-Series Rod Bearings CR4141SI1.0

Rod Bearings, King SI-Series Rod Bearings, .040 in., 1.00 mm Crankshaft Undersize, Bi-Metal, Chevy, GMC, for use on Honda®, Isuzu, Sold as a Set of 4

Part Number: KGB-CR4141SI10

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Manley Titanium Valves 11427HTB-1

Valves, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 5.150 in. Length, Set of 8

Part Number: MAN-11427HTB-1

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 1801-3810

Pistons, SX-Series, Forged, 10.00cc Dish, 3.810 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1801-3810

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8110-4125

Piston Set, 377 SBC SX Series -5cc Flat Top Piston Set. 4.125 bore

Part Number: DMS-K8110-4125

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8180-4000

Piston Set, 408 SBC SX Series -5cc Flat Top Piston Set. 4.000 bore

Part Number: DMS-K8180-4000

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

D.S.S. E Series Forged Pistons 8775-4075

Piston Set, 6.2 / LS3 / LQ4 / LQ9 / LY6 LS E Series +3cc LS Flat Top Piston Set. 4.075 bore

Part Number: DMS-8775-4075

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

King SI-Series Rod Bearings CR6616SI 001

Rod Bearings, AM-Series, Alecular Silicon, 0.001 in. Crankshaft Undersize, Buick, Oldsmobile, Pontiac, Set of 6

Part Number: KGB-CR6616SI001

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8137-4165

Piston Set, 400 SBC SX Series +4cc Dome Top Piston Set. 4.165 bore

Part Number: DMS-K8137-4165

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

RaceTec AutoTec Forged Pistons 1000464

Pistons, Forged, 4.040 in. Bore, 4.000 in. Stroke, Flat Top, 6.200 in. Rod Length, 0.927 in. Pin Diameter, SBF, 351W 20 degree, Ford, Set of 8

Part Number: PIS-1000464

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

King SI-Series Rod Bearings CR6860SI

Rod Bearings, King SI-Series Rod Bearings, Stock Size, Bi-Metal, Buick, Chevy, GMC, Isuzu, Olds, Saab, Sold as a Set of 6

Part Number: KGB-CR6860SI

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8863-4030

Pistons, SX-Series, Forged, Dish, 4.030 in. Bore, Ford, Set of 8

Part Number: DMS-8863-4030

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today