Big Block Chevy Aluminum Cylinder Heads - Assembled

300cc Intake Port, 115cc Chamber, Oval Port

2.250/1.880 Swirl Polished Stainless Intake and Exhaust Valves


For sale is a new pair (2) of big block Chevy ProComp aluminum cylinder heads. These heads are assembled with springs, valves, retainers, and locks installed. Comes with features normally found in heads costing much more, including:

Hardened exhaust seats for unleaded fuel compatibility
Bronze valve guides
Manufactured with aircraft quality high grade aluminum alloy
Multi-angle seat design for improved flow at low lifts (3 Angle)
Advanced port design for improved flow at all lifts
Advanced combustion chamber design allows superb flame travel and burn
Additional pushrod clearance machined along outside port walls
Threaded accessory holes in ends of heads
Retains stock intake/exhaust bolt locations
Thick deck to resist warping and allow for additional milling if desired

Valve springs are 1.525"
Spring pressure 140lbs @ 1.90, 380lbs @ 1.200" and coil bind at 1.160"
Retainers are 4140 Chrome Moly Steel.
Valve Locks are 10 degree hardended steel
Valve Seals are Vition Posi Lock

Designed for Hydraulic or Solid Lift Camshafts up to .650 lift.

To purchase simply click on the "Buy it Now" button and you will be directed to our secure website for order processing. If you have problems or would rather talk to us you can call us at 515-233-3288 our professional and experienced staff is waiting to take your order. We can ship today.

Payment options:

Item Location: AMES, IA Get Directions To This City

Instructions for buyer:  WE ARE OPEN MONDAY-FRIDAY 7:00AM TO 6:00PM CALL BEFORE 3:00 FOR SAME DAY SHIPPING!! WE DOWNLOAD OUR ORDERS AT WWW.KMJENT.COM EVERY 2 HOURS TO ENSURE SAME DAY SHIPPING!!
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WE SELL TO RETAIL CUSTOMERS AT WHOLESALE PRICES!!! OUR PRICES CAN NOT BE BEAT!
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