Speedmaster Cylinder Head Kit Oldsmobile 400/425/455
746-PCE281.2152K
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Oldsmobile - Assembled
Kit Includes:
- Aluminum Cylinder Heads 746-PCE281.2152
- (2) Ultra-Seal Head Gaskets 720-5788G
- Intake Manifold Gaskets 555-210700
- Exhaust Header Gaskets 555-210750
- Valve Cover Gaskets 555-210770
- Head Bolt Kit 070-180-3600
- Rocker Arm Studs 555-20584
- High Energy Rocker Arms 249-17044-16
- Pushrod Guide Plates 350-9668
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.
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Specifications:
Do these heads have the Carb heat crossover blocked ?
Will these heads fit any 455 ? Also do the valves come installed and what about lifters, does kit include new hyd lifters ? if not please recommend brand etc. to use. What is the max valve lift and dia of the intake and exhaust ?
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