Cast Aluminum Cylinder Head Big Block Oldsmobile 400/425/455 w/Hydraulic Flat Tappet Cam

Name: Cast Aluminum Cylinder Head Big Block Oldsmobile 400/425/455 w/Hydraulic Flat Tappet Cam
Brand: SPEEDMASTER
SKU: 746-PCE281.2152
Price: 1310.00 USD
Availability: InStock

^$1,310⁰⁰

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Ford Dowels

Cast Aluminum Cylinder Head

Big Block Oldsmobile 400/425/455 w/Hydraulic Flat Tappet Cam

Assembled Head

77cc Combustion Chamber

188cc Intake Runner

Includes Valves & Springs

Set of 2

Special Note: Camshaft and Lifters Not Included

Intake Runner: 188cc
Combustion Chamber Volume: 77cc
Intake Valve: 2.072"
Exhaust Valve: 1.680"
Max Lift: .615"
Coil Bind: .1.125"
Intake Install: 140 lbs @ 1.8
Exhaust Install: 140 lbs @ 1.8
Closed Seat Pressure: 145 lbs
Open Seat Pressure: 345 lbs

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Ditch Restrivtive, Heavy Cyclinder Heads for Speedmaster Performance Heads

One of the best upgrades for your engine is to replace cast iron heads with a better performing and lighter aluminum head. Speedmaster's line of performance cylinder heads have proven themselves time and time again both on the track and on the dyno. Many variations are offered for popular Small and Big Block engines to bring performance output to the next level. Available in as-cast for mild street applications and in Fully CNC machined for the serious enthusiast.

Part TypeCylinder Head

Product LineSpeedmaster Performance Cylinder Head Kits

BrandSPEEDMASTER

Package Height7.0

Package Width18.0

Package Length22.4

Weight64.0 PG

Part CategoryPerformance Parts

Maximum Valve Lift0.615 in (15.621 mm)

Part FitmentSemi Universal

Vendor Part NumberPCE281.2152

Package Qty1