Tri Star HP Aluminum Cylinder Heads with Dart™ Pro 1 castings, Big Block Chevy

Tri Star HP Aluminum Cylinder Heads with Dart™ Pro 1 castings, Big Block Chevy
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Quick Overview:
Sold in pairs
•Dart™ Pro 1 castings
•Your choice of intake runner size

Tri Star HP Dart™ Pro 1 casting Big Block Chevy aluminum cylinder heads are a great way to increase performance from your big block and reduce the weight at the same time. If you're looking for a quality lightweight HP big block Chevy cylinder head that won't break the bank, look no further!
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Online Price: $2,095.00
The Pro 1's race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports and fast burn chambers - Yet the Pro 1 Chevy aluminum heads for sale can be used with off the shelf pistons, valve train components and intake manifolds. Shed some weight from your HP big block and improve the power at the same time with these high performance big block Chevy aluminum heads. 
Part Number
Short Block Features
Camshaft Advertised Duration
Camshaft Duration @ .050"
Camshaft Lift
Dart™ Pro 1 Cylinder head castings

►310cc, 325cc, or 345cc Intake Runner
►121cc combustion chamber volume
►2.25 or 2.30 stainless intake valves (depending on intake runner size)
►1.88 stainless exhaust valves
►Rectangular intake port shape
►Howards HP valve springs
►Howards chrome moly valve spring retainers

►Premium alloy:
       •Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for               superior strength and integrity.
►Bolt on compatibility
       •2 degree rolled valve angle and standard spacing. Accommodates all               stock accessories.
►Manganese bronze valve guides extend cylinder head life and reduce stem     wear.
►Hardened exhaust seats are compatible with unleaded gasoline
►Multi-angle intake seats and radiused exhaust seats dramatically increase     airflow.
►Spark plug holes are machined for gasketed 3/4" reach plugs.
►Heart shaped 121cc chambers improve combustion efficiency.
►Raised spark plug location improves flame travel for a quicker, more     complete burn, producing more power.
►Exhaust ports raised .300" to improve flow (requires 1" longer head       bolts next to exhaust ports).
Cast, machined and assembled in the USA
Additional Parts Included
No head bolts or gaskets are supplied with this part number
Crude oil, gasoline, diesel fuel and other petroleum products can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.

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