Mazworx Stage 4 Short Block SR20 RWD Service Billet Front Cover (for dry sump)
Mazworx Stage 4 Short Block SR20 RWD Service
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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. Confirm compatibility and condition before ordering.
The Sending In VE oil-pump option requires a customer-provided SR20VE oil pump.
Service work and components
- Mazworx SR20 91mm Billet Crankshaft
- Proprietary Mazworx Sleeving with Darton Sleeves
- Step Deck Block
- Mazworx SR20 Billet Main Caps with 1/2″ Stud Kit
- Mazworx Billet Girdle
- Custom Heavy Duty CP Pistons
- .250″ Wall Thickness 9310 Upgraded Wrist Pins
- SR20 HD Carrillo Pro-H Rods with 7/16″ CARR Bolts
- ACL Racing 19mm Rod and Main Bearings
- 1/2″ Head and Main Stud Machining
- Mazworx Front Oil Squirter
- Oil Groove Machining
- New Oil and Freeze Plugs
- Block is 1/2 Filled with Hard Block Material
- Prepped for VE Head Compatibility
Selected options define the supplied work and component upgrades. Unselected extras are 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.
