Engines & Engine Parts at Summit Racing

Manley Race Series Gen II Custom Valves 11276-4

Valve, Intake, Stainless Steel, 1.575 in. Diameter, 0.235 in. Stem, 4.449 in. Length, Each

Part Number: MAN-11276-4

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Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

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Manley Severe Duty Series Gen II Custom Valves 11264-8

Valves, Intake, Stainless Steel, 2.400 in. Diameter, .311 in. Stem, 6.300 in. Length, Universal, Set of 8

Part Number: MAN-11264-8

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Manley Severe Duty Series Gen II Custom Valves 11242-1

Valve, Intake, Stainless Steel, 2.150 in. Diameter, .342 in. Stem, 5.655 in. Length, Each

Part Number: MAN-11242-1

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Estimated Ship Date: Jun 12, 2026 if ordered today

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ARP Pro Series Cylinder Head Studs 247-4202

ARP Pro Series Cylinder Head Studs 247-4202

Cylinder Head Studs, Custom Age, 12-Point Head, Dodge, 5.9L,6.7, Cummins Diesel, 24 Valve, Kit

Part Number: ARP-247-4202

4.92 out of 5 stars ( 13 )

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ARP Pro Series Cylinder Head Studs 247-4204

Cylinder Head Studs, Custom Age, 12-Point Head, Dodge, Cummins Diesel, 24 Valve, Kit

Part Number: ARP-247-4204

4.0 out of 5 stars ( 2 )

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ARP Pro Series Cylinder Head Studs 234-4314

Cylinder Head Studs, Pro Series, 12-point, Custom Age 625, Black Oxide, 11mm Thread Size, Washers, Chevy, Kit

Part Number: ARP-234-4314

5.0 out of 5 stars ( 1 )

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ARP Pro Series Cylinder Head Studs 234-4344

Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, Custom Age 625-Plus Material, 270,000 psi, Mixed Finishes, Kit

Part Number: ARP-234-4344

4.71 out of 5 stars ( 7 )

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Oliver Replacement Connecting Rod Bolts BLT003

Connecting Rod Bolts, Replacement, E Head Style, 7/16 in. Thread Size, ARP Custom Age 625 Plus, 1.400 in. Underhead Length, Each

Part Number: OLV-BLT003

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ACDelco Gold Idler Pulleys 19188226

Idler Pulleys, Professional, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-36299

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Clevite H-Series Rod Bearings CB-1663H

Rod Bearing, Custom Application, 2.015 in. Rod Big End Diameter, Tri-Metal, Each

Part Number: CLE-CB1663H

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Professional Products PowerForce Harmonic Dampers 80013

Harmonic Balancer, PowerForce, Custom, Nodular Iron, Black, Chrysler, Dodge, Big block, Hemi, Each

Part Number: PFS-80013

4.36 out of 5 stars ( 14 )

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ACDelco Drive Belt Tensioners 88909593

Accessory Belt Tensioner, Serpentine, 6-rib, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-38103

1.0 out of 5 stars ( 1 )

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ARP Pro Series Cylinder Head Studs 203-4301

Cylinder Head Studs, Pro Series, 12-point, Custom Age 625, Black Oxide, Washers, Toyota, 3.0L, Kit

Part Number: ARP-203-4301

3.0 out of 5 stars ( 1 )

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ACDelco Drive Belt Tensioners 88996998

Accessory Belt Tensioner, Smooth Pulley, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-38159

5.0 out of 5 stars ( 2 )

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Clevite Coated H-Series Rod Bearings CB-1663H-10

Rod Bearing, H Series, TM-77, Custom Performance, Each

Part Number: CLE-CB1663H10

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ARP Pro Series Cylinder Head Studs 234-4347

Cylinder Head Studs, Pro Series, 12-point, Custom Age 625, Black Oxide, Washers, Chevrolet, Kit

Part Number: ARP-234-4347

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Manley Sportmaster Steel Connecting Rods 14101-8

Connecting Rod, Sportmaster, 4340 I-Beam, Cap Screw, Bushed, 5.7 in. Length, Custom Bore Sizes, Chevy, Set 8

Part Number: MAN-14101-8

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ARP Pro Series Cylinder Head Studs 260-4704

Cylinder Head Studs, Custom Age 625, 12-Point Head, Subaru, 2.0L, 2.2L, 2.5L, Kit

Part Number: ARP-260-4704

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VEGE Remanufactured Cylinder Heads 2CT7

Cylinder Heads, Remanufactured, Assembled, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Isuzu, Workhorse, Workhorse Custom Chassis, V8, Each

Part Number: VRE-2CT7

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Enginetech Cylinder Heads CH1059R

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ARP Pro Series Cylinder Head Studs 256-4305

Cylinder Head Studs, Pro Series, Custom Age 625+ Alloy, 12-Point Nuts, Ford, V8, Modular, Kit

Part Number: ARP-256-4305

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VEGE Remanufactured Cylinder Heads 2CT13

Cylinder Heads, Remanufactured, Assembled, Aluminum, Natural, Cadillac, Chevy, Freightliner, GMC, Isuzu, Workhorse, Workhorse Custom Chassis, V8, Each

Part Number: VRE-2CT13

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ACDelco Drive Belt Tensioners 88909608

Accessory Belt Tensioner, Smooth Pulley, AM General, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-38118

5.0 out of 5 stars ( 1 )

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COMP Cams Thumpr NSR Hemi Gen III/IV Camshafts 112-700-11

Camshafts, Hydraulic Roller, Advertised Duration 268/295, Lift 0.494/0.492, Custom Computer Tuning Required, Chrysler, Dodge, Jeep, 5.7L, 6.1L, Each

Part Number: CCA-112-700-11

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VEGE Remanufactured Cylinder Heads 2CK2

Cylinder Heads, Remanufactured, Assembled, Cast Iron, Natural, Chevy, GMC, Workhorse, Workhorse Custom Chassis, 7.4L, Each

Part Number: VRE-2CK2

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

COMP Cams LST Series Solid Roller Camshafts 54-313-11

Camshafts, LST Series Solid Roller, Advertised Duration 282/294, Lift 0.672/0.688, Custom Computer Tuning Required, Chevy, GMC, Small Block LS, Each

Part Number: CCA-54-313-11

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Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today