Skip to product information
1 of 5

Tomioka Racing TR Premium Subaru EJ25 Stroker Kit

Tomioka Racing TR Premium Subaru EJ25 Stroker Kit

Regular price $4,850.00
Regular price $4,850.00 Sale price $4,850.00
Sale Sold out

Out of stock

Quantity

Need this part?

This item is currently unavailable. Ask us about availability or help finding a suitable replacement.

Ask about availability or fitment

Year, make, model and engine help us check fitment.

We'll reply to your inquiry by email. This is not an automatic restock alert.

Shipping & returns

This selection is unavailable. Ask us to confirm availability and timing.

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

Read the shipping policy

Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

Read the full return policy
Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

An increase in displacement is the ultimate way to gain horsepower and torque. TR Stroker Kit offers an increase in bore and stroke to achieve this goal using your original EJ seriesblock. TR Stroker Kit for Subaru EJ25 engine is built with the quality features and the latest technology in coating options to ensure the dependability that comes from every TR products. TR uses competition grade components from forged 2618 aluminum pistons, I-Beam connecting rods, and billet crankshaft chosen specifically to offer the durability to handle high horsepower demands. Coupled with competition series bearings, TR Stroker Kit is the ultimate option in Subaru engine upgrades!

Stroker Kit Characteristics

Compression Ratio : 8.5 : 1
Stroke : 83 mm
Rod Length : 130.5 mm
Crankshaft : Billet
Piston : Forged
Bearings : Race

Stroker Kit Specifications

Part Number
Stroke
Bore Size
Over Size
Rod Length
Compression Distance
Compression Ratio
TR-ES2012
83.0 mm
99.50 mm
Standard
130.5 mm
28.70 mm
8.5 : 1
TR-ES2013
83.0 mm
99.75 mm
+ 0.25 mm
130.5 mm
28.70 mm
8.5 : 1
TR-ES2011
83.0 mm
100.0 mm
+ 0.50 mm
130.5 mm
28.70 mm
8.5 : 1


Kit Contents

Billet Crankshaft
I-Beam Connecting Rod Set
Forged Piston Set
Race Main Bearings Set
Race Conrod Bearings Set
View full details

Vehicle fitment