Shafiroff Racing Engines and Components
Dart Big M Rebate

The Ultimate Chevy Head. Big Chief power at a Chevrolet head price. With the 405cc runner, we recommend a minimum of 582 Cubic Inches. Performs well in Nitrous and Blower applications. Both of these heads utilize all of your existing components.

Priced Per Pair
* For 405cc Add $100
Standard Configuration
• Chambers: 119cc (114cc Available)
• Intake Port: Stock Location
• Exhaust Port: Raised .625"
• Intake Valve: 2.300" Stainless (2.325" on 405cc)
• Exhaust Valve: 1.880" Stainless
• Springs: Manley NexTek 1.640" Dual Roller
(.830" Max Lift)
• Retainers: 10° Titanium
• Rocker Studs: ARP 7/16"
• Guide Plates: Comp Cams 3/8"
Manufacturer Flow Numbers:
385cc Intake 442 CFM
Exhaust 315 CFM
405cc Intake 456 CFM
Exhaust 315 CFM

Porting/Chambers:
CC and Mill to 114cc Chambers $ 125
405cc Intake Runners $ 100
Springs & Retainers:
Comp Cams 947 Pacaloy Triple Roller Springs - Includes Additional Machining $ 145
Isky Enduro Hydraulic Roller Springs (w/10° Steel Retainers) Credit $ -175
Valves:
Severe Duty Inconel Exhaust Valves (Marine Use) $ 350
Titanium Intake Valves $800
Titanium Exhaust Valves $800
Rocker Arms & Components:
Dart 2 Piece Guide Plate Upgrade $ 25
SSRE Stud Girdle w/CNC Machined 2-Piece Valvetrain Stabilizer & Locking Hex Head Adjusting Nuts $ 250
Harland Sharp Wide Body 1.7 Aluminum Rocker Arms w/Polylocks (1.75 & 1.8 Available) $ 340
T&D Pro Series Shaft Rocker System Available In 1.70, 1.75 or 1.80 Ratio (Split Ratio Sets No Extra Charge) $ 1295
Jesel Competition Series Shaft Rocker System w/1.7 Ratio $ 1525
Gaskets:
Cometic MLS Head Gaskets (Multi Layered Steel)
4.350" to 4.630" Bore Sizes • Available In .040/.045/.051 Thickness each $ 95
4.350" to 4.630" Bore Sizes • Available In .060/.066 Thickness each $ 115
Intake Gaskets - Many Types & Thicknesses Available $ 20
Mr. Gasket Rubberized Cork Valve Cover Gaskets $ 19
Moroso Blue Silicone Rubber/Steel Core Valve Cover Gaskets $ 45
Mr. Gasket Ultra Seal Exhaust Gaskets $ 22
Fasteners:
ARP Head Stud Kit w/Parallel Ground Washers $ 197
Dart Inner Valley Stud Kit (Improved Head Gasket Sealing) $ 95
Intake Manifolds:
Edelbrock Victor Jr. Intake Manifold For 4150 Style Carburetors $ 265
Edelbrock Victor Intake Manifold For Dominator Style Carburetors $ 280
Edelbrock Super Victor Intake Manifold For Dominator Style Carburetors $ 300
New Design Merlin X Intake Manifold For Dominator Style Carburetors $ 326
New Design Merlin X Intake Manifold For Dominator Style Carburetors w/SuperMod Porting $ 605