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Features & Product Details
RallySport Direct now carries highly sought-after high-performance upgrades and accessories brought to you by IAG Performance.
On this page, you are looking at the IAG Performance Stage 2 TUFF Short Block. This particular short block has been bored and honed to 99.75mm using IAG's in-house Sunnen SV-10. The result is tighter wall clearances on the pistons to help produce a quieter running engine. It is carefully measured and assembled using forged pistons and a new 2017+ STI Nitride Treated crankshaft.
Rated to 675BHP.
Here are the details:
Note: Compression ratio is subject to change based on cylinder heads and head gaskets used.
RallySport Guarantee - 30 Days
Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.
RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.
The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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REVIEWS & CUSTOMER MEDIA
This is a great motor!! I didn't get it from RSD but if it had been available here when I did my build I would have. Anyways, this motor is awesome. I have a conservative tune, but a lot of mods. Currently running 410 WHP on a 1.5 xtr (10cm housing and 3in inlet)on pump 93 with very little knock. I've had it for about 8 months and its running strong. Great motor!!! Tuner loved it!
QUESTIONS & ANSWERS
Q: 2017 sti RP29 days agoWill the 2017 sti stock heads fit?
0 of 0 people found the following answer helpful
A: You may have to machine the head bolt casing, but yes they will.Devan M. @ RallySport Direct 29 days ago
- 0 of 0 people found the following answer helpful
Q: Fit 14wrx Austin_EJ252 months agoWill 2014 wrx heads bolt right up and do these short blocks come pre-assembled or do we have to assemble?
1 of 1 people found the following answer helpful
A: You would need to do some machine work to the heads to make them line up, the short blocks are pre assembled.Devan M. @ RallySport Direct 2 months ago
- 1 of 1 people found the following answer helpful