Product Discontinued

DARTPART NUMBER: 301-11110010L

LT1/LT4 Pro 1 Bare

Name: LT1/LT4 Pro 1 Bare
Brand: DART
SKU: 301-11110010L
Price: 914.48 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

LT1/LT4

Intake Ports: 180cc

Bare

Specifications:
Valvetrain: Standard SBC 3/8" stud mount or can be modified to 7/16"
Intake Port Location: Stock
Intake Port Dimensions: 1.190" x 2.075"
Intake Flow: 257 cfm @ .500" lift/28"
Exhaust Port Location: Stock
Exhaust Port Dimensions: 1.410" x 1.350"
Exhaust Flow: 172 cfm @ .500" lift/28"
Manifold: LT-style
Pushrod Length: Stock (should always measure)
Pushrod Guide Plate: Not used (uses stock-type self-aligning rockers)
Retainers: Steel 7°
Stud Girdle: Any standard girdle
Valve Length: 4.890"
Valve Stem Diameter: .3415", 11/32"
Valve Guides: .439" OD Mag-Bronze (.002" press)
Valve Guide Length: 2.100"
Valve Guide Clearance: .0014" to .002" (using Dart .3415" valve stem)
Valve Guide Spacing: Moved .030" from stock
Valve Seats: Hardened Ductile Iron, .006" press
Valve Seat Dimensions: Intake 2.160" x 1.810" x .350", Exhaust 1.650" x 1.350" x .350"
Valve Seat Angles: Intake 32°, 45°, 60°, 70°; Exhaust 37°, 45°, radius

Part TypeCylinder Head

BrandDART

Package Width29.0

Weight29.0 PG

Part CategoryPerformance Parts

Cylinder Head MaterialAluminum

Intake Port LocationStandard

Exhaust Valves IncludedNo

Locks IncludedNo

Retainers IncludedNo

Guideplates IncludedNo

Rocker Arms IncludedNo

Oiling StyleThrough pushrod

Rocker Arm Nuts IncludedNo

Cylinder Head FinishNatural

Valve Seats MachinedYes

Intake Valve Angle23

Valve Seat MaterialDuctile iron

Heat CrossoverNo

Valve Springs IncludedNo

Spark Plug StyleAngled

Valve Seat Machine Style4-angle intake/3-angle exhaust

Damper Spring IncludedNo

Valve Guides IncludedYes

Cnc-Machined Intake RunnerNo

Intake Valves IncludedNo

Combustion Chamber StyleHeart

QuantitySold individually

Valve Stem Seals IncludedNo

Intake Valve Diameter2.02 in (51.308 mm)

Accessory Bolt Holes DrilledYes

Exhaust Runner Volume (Cc)75

Exhaust Port LocationStandard

Valve Guide MaterialManganese bronze

Combustion Chamber Volume (Cc)64

Machined For O-RingNo

Exhaust Valve Angle23

Steam Holes DrilledNo

Rocker Arm Studs IncludedNo

Cylinder Head StyleBare

Valve Cover Mounting StyleCenter and perimeter bolt

Intake Runner Volume (Cc)180

Cnc-Machined Exhaust RunnerNo

Cnc-Machined Combustion ChamberNo

Exhaust Valve Diameter1.6 in (40.64 mm)

Vendor Part Number11110010L

Package Qty1

Package TypeEA

No Questions

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