Mazworx Stage 2 Short Block SR20 RWD Service (VVL conversion ready: No) No
Mazworx Stage 2 Short Block SR20 RWD Service (VVL conversion ready: No)
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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 policyReturns
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 policyReturn 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.
Specifications
Product details shared across all variants.
- Category
- Car Repair & Maintenance
- Shipping dimensions (L × W × H)
This service uses customer-provided engine components. A replacement core is not included.
Provide SR20 RWD core block with mains, girdle, and oil squirters in good condition; core crankshaft. Confirm compatibility and condition before ordering.
Service work and components
- CP 90mm forged pistons with a 9.0:1 compression ratio
- Upgraded wrist pins
- Darton dry sleeves
- BC ProH625+ connecting rods to handle increased power
- High-quality ACL race bearings with 5-hole mains for engine reliability
- New OEM S14 oil pump to ensure efficient lubrication
- Mazworx main studs
- Mazworx front oil squirter for optimized cooling
- Miscellaneous plugs as required for assembly
- Hot tank cleaning and block preparation
- Block sandblasting for surface refinement
- Removal, retapping, and replacement of oil port plugs
- Machining for threaded freeze plugs installation
- Precision installation of dry sleeves
- Accurate cylinder resizing using torque plates during honing
- Step decking for optimal block flatness
- Line bore resizing to exact factory specifications
- Oil groove machining tailored for the SR20 engine
- Crankshaft cleaning, inspection, polishing, and balancing
- Complete short block assembly adhering to professional standards
Selected options define the supplied work and component upgrades. Unselected extras are not included.
VE-head conversion preparation is not included.
Confirm delivery arrangements before sending parts. Work starts only after the individual intake is approved.
Additional work and replacement parts need approval. Core credit requests require individual approval. No automatic core credit is included.
Photos show manufacturer work examples. The service uses customer-provided cores. Selected options and listed components define the supplied work.
