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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
For Your Every Summer RSVP, with Code: SUMMER15
Description
Frankenstein F715 LS7 Port | 15 Degree | 285cc Heads | AssembledFrankenstein Engine Dynamics are specialists in Cylinder Head & induction products dedicated to the LSX engine range. Their industry leading range has become a serious game changer in the high performance market. Producing some of the highest performing products all designed in house utilizing the latest CNC technology means you are not only receiving the highest quality products but investing in their development & testing to put yourself ahead of
Frankenstein Engine Dynamics are specialists in Cylinder Head & induction products dedicated to the LSX engine range.Their industry leading range has become a serious game changer in the high performance market.
Producing some of the highest performing products all designed in house utilizing the latest CNC technology means you are not only receiving the highest quality products but investing in their development & testing to put yourself ahead of the competition.
Benefits Of The Frankenstein F715 LS7 Port Cylinder Heads
- 15° inline valve angle – designed for True Street/Ultra Street and multi-kit nitrous applications.;
- A357 T6 Aluminium stronger than competitor brand A356;
- Standard version designed to work with GM LS7 rockers and equivalent. Doweled rocker stands included with head purchase.;
- High Efficiency Water Jackets for increased strength & cooling;
- Increased .750" deck thickness to support large boost applications;
- Exhaust port exit is inline with the valve for substantially improved air flow;
- Frankenstein Clearanced Custom Valve Covers based on SB2 design to clear larger rockers;
- Designed to suit minimum 4.125" Inch Bore;
- Your New Frankenstein F715 LS7 Port Cylinder Heads Include;
- 100% USA Made Frankenstein FED 6 Bolt LSX Castings;
- LS7 Port CNC Ported Intake Runners | 285cc;
- CNC Ported Exhaust Ports;
- CNC Ported Combustion Chambers | N/A & Boosted Chamber Options;
- Standard version designed to work with GM LS7 rockers and equivalent. Doweled rocker stands included with head purchase.;
- Doweled Rocker Stands;
- FED Titanium .660" Lift Dual Valve Spring Kit;
- Titanium Retainers;
- 15 Degree Valve Angle;
- Solid Stainless Steel Intake Valves | 2.200" Inch;
- Solid Stainless Steel Exhaust Valves | 1.650" Inch;
- Interlocking valve seats (like those found in racing heads) standard;
- Frankenstein Custom Valve Covers;
- Optional Billet Coil Mount Bracket;
Frankenstein CNC Porting Process
- CNC machining of your cylinder heads intake runner;
- CNC machining of your cylinder heads exhaust port;
- CNC machining & porting of the combustion chamber to specified CC;
- 5 Axis CNC cutting of your cylinder heads valve seats;
- CNC cut valve spring seats;
- Machine the deck face to increase compression;
Finance Is Available For Your New FED Heads!
Did you know that finance is available on this kit through LSX Performance Parts?
We have access to a range of lenders who have award winning products to help make your new performance upgrades an affordable reality.
Features & Benefits Of Our Finance Packages Include:
- Loan Terms from 1 - 7 years;
- Loan Amounts from $2,000.00 - $50,000.00;
- NO Security required for personal loans;
- Fixed interest rates for the term of your loan;
- Ability to make extra repayments;
- Your choice of weekly, Fortnightly OR Monthly repayments;
- Consolidate existing debt - Personal loans, credit cards etc with your new upgrades with 1 x simple payment;
- Entire application handled in-house meaning your details are NOT referred to a 3rd party broker;
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 1602 reviews
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Product Reviews
★★★★★ 5
Bang for your buck
Size: size for ASCENT/CROSSTREK/IMPREZA/LEGACY/OUTBACK
Works like OEM
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Happy
Size: size for 3/6/CX5 Non-Turbo
They fit my car. So im happy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 4
Only received one of the two filters
I had to return because I only received the cabin filter, not the engine filter. Delivery was delayed and maybe this caused the misplacing of the other part. Not sure. I am placing another order, hoping that it will be complete this time. It is good qualiflty, though.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2025
★★★★★ 5
Buy these, save some $$
Size: size for ASCENT/CROSSTREK/IMPREZA/LEGACY/OUTBACK
Save yourself about $100 by replacing these yourself, we have a Subaru Impreza. Easy to install for a few minutes time spent on YouTube. The dealers make a bundle on this sort of thing.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
It’s the right part tor Acura integra
Size: 7.32" x 7.48" x 2.28"
Perfect fit easy to replace good quality !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
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