Fast Fish Auto Parts -Kannapolis, NC - 704-701-6658
*Fast Fish Auto Parts is not affiliated with Chrysler Group LLC
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Big Block Mopar Performance Rear Main Seal
Large quanities available please request a quote.
Performance Engine Seals
Fast Fish Auto Parts premium quality rear main seal for the big block Mopar engine. These seals are the best rear seal available for the big block Mopar engine. Our seal helps eliminate rear seal leaks with its unique dual lip design. Available exclusively through Fast Fish Auto Parts. Our seal is a single split, low friction design.  To install:  Simply make a single cut, lubricate, and spread the seal around crankshaft. Works with stock and aftermarket  seal retainers. Comes with detailed instructions. 

​Big block Mopar rear main seal. Application: 383,400,440,426 Hemi






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If you are a retailer and wish to carry our Performance Seals, please contact us to discuss retail possibilities.
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*Fast Fish Auto Parts is not affiliated with Chrysler Group LLC
Big Block Mopar Front Timing Cover Seal
Fast Fish Auto Parts now stocks a premium quality front timing cover seal for the big block Mopar engine. Our front timing cover seal has excellent sealing design with low frictional drag. Designed for use in stock timing covers.​


Maxima Oil Assembly Lube 4oz.
Professional assembly lube with film forming lubricant designed to protect moving components and wear surfaces during engine assembly
and initial break in. Formulated with 2X zinc and extreme pressure additives. Provides excellent protection during long storage periods. Great for assembling seals, engine bearings, gears, piston and rod pin bores. Four oz. of the assembly lube is enough for several engine builds. With a hint of cinnamon it even smells good! Really great stuff! ​

Maxima Oil Assembly Lube 4oz        Price: $15.00 FREE SHIPPING
Fast Fish Auto Parts -Kannapolis, NC - 704-701-6658
Retainer Only
​CNC aluminum billet big block Mopar rear main seal retainer. Designed and made in the USA. Direct replacement for factory die cast aluminum retainer. Features large 45 degree radius on the back outside edges. No side seals are necessary as the large 45 degree radius allows for silicone to be injected along the retainer sides.
Retainer and Seal Package
Single Price: $79.95 FREE SHIPPING US address  
Seal Price (multi-seal discount - 5 or more): $72.00 each FREE SHIPPING US address  
Retainer Only: $65.00    Shipping: $6.00 to continental U.S.
Retainer Package: $125.00   Shipping: $6.00 to continental U.S.
Front Timing Seal Price: $25.00     FREE SHIPPING US address.  
Maxima Oil Assembly Lube 4oz Price: $15.00  
 FREE SHIPPING US address
GM LS Chevrolet Rear Main Engine Seal

This seal incorporates a Ptfe low friction lining and offers a 50% reduction in friction over OEM seals. The seal is made of premium materials that provide for a long service life.The seal can be used with engines that have vacuum requirements. It is an excellent choice for motor sports applications and high performance street cars. 
GM LS Chevrolet Rear Main Engine Seal: $72.00
Shipping to Contenital US: $3.60
Big Block Chevrolet Rear Main Engine Seal
This seal has a double lip, low friction, single seam design. The seal also has a low friction lining that provides a 50% reduction over two piece designs. Our seal is made of premium materials for long service life. This seal is an excellent choice for wet or dry sump engines used in motor sports. 
Big Block Chevrolet Rear Main Engine Seal: $65.00
Shipping to Contenital US: $2.60
Dayton Day Lube: Nanocaeramic Racing Grease
This product provides an exceptional resistance to extreme pressures and corrosion when operating over a broad temperature range (-40°F-800°F). There are many benefits including exceptional staying power, low coefficient of friction, shear stability- does not soften or run out, resilient- upon cooling it returns to original viscosity, and it is corrosion resistant. This product is ideal for bearings, bushings, oxle splines, drive plates, rod ends, and universal joints. 
Dayton Day Lube 1 oz syringe and applicator: $16.99
Shipping to Continental US:$ 2.77
GM LS Chevrolet Front Timing Cover and Rear Main Seal Set 
This is a GM LS front cover and rear main seal set. Both of these seals incorporate a PTFE low friction lining and have a 50% reduction in friction over OEM seals. These seals are made of premium material for a long service life.These seals can withstand engine vacuum requirements. They are an excellent choice for competition engines used in Motorsports. 
Ford 385 Series 429/460 Engine One piece Rear Main Seal 
This is a new one piece design that replaces the conventional two piece arrangement. This seal incorporates a taller sealing lip than traditional two piece designs. Once a single cut is made the seal can be wrapped around the crankshaft and just a small dab of silicone is all that is needed to seal the joint. This seal comes with a detailed installation instruction sheet. 
Ford 385 Series 429/460 Engine One piece Rear Main Seal: $70.00 
Shipping to Continental US: $3.18
GM LS Chevrolet Front Timing Cover and Rear Main Set: $100.00
Shipping to Continental US: $5.00
GM LS Front Timing Cover Seal 
This seal incorporates a Ptfe low friction lining. This seal has ultra low drag while also maintaining oil control. Upgrade your performance engine with this premium quality racing seal. 
GM LS Front Timing Cover Seal: $39.00
Shipping to Continental US: $3.60
Temporarily Sold Out!