LT1/LT4 Pro 1 Assembled

Name: LT1/LT4 Pro 1 Assembled
Brand: DART
SKU: 301-11311112L
Price: 1208.66 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: 200cc

Assembled
Intake Valve: 2.020''
Exhaust Valve: 1.600''
Dual Valve Springs: 1.437"(130 lbs @ 1.80", .620" max lift)

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 Height6.3

Package Width8.9

Package Length21.7

Weight28.11 PG

Part CategoryPerformance Parts

Vendor Part Number11311112L

Package Qty1

Package TypeEA

No Questions

No Reviews

Some parts are not legal for use in California or other states with similar laws / regulations

⚠️ Warning