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1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines)
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 2
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 3
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 4
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 5
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 6
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 7
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 8
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 9
1-Piece Rear Main Seal-4.180" OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines) - Image 10

1-Piece Rear Main Seal-4.180″ OD (221, 255, 260, 289, early 302 up to 11/30/82, & other L6, V6 & L4 engines)

$95.00

Replacement for Fel-Pro BS30136

Fits: V8 engines-221, 255, 260, 289, early 302 up to 11/30/82,

Fits: V6 engines- early 3.8 OHV up to 12/31/82

Fits: L6 engines- 250 OHV (’69-’80)

Fits: L4 engines- early 2.3 SOHC up to 9/28/81

**DO NOT CUT THE SEAL UNLESS:

Cutting the seal for installing & removing the seal with the crankshaft in the block is not normal; it is a rare application where this is needed.**

How to install the Track Boss 1-piece rear main seal, when the crankshaft is still in the block and the block is in the vehicle.

 

In stock

SKU: TBP/RS02 Categories: , , , , , , , , , , Tags: , , , ,

Description

1-piece rear main seal, Viton material

This seal is designed to have the exact size of the 2-piece seal, but in a 1-piece design.

This will allow the customer to slide the seal over the crankshaft flange end and then lower the crankshaft into the block. No machining is required. Our goal is to have this seal designed so that in the case of a rear main oil leak, the seal can be cut, and removed. A new seal could also be cut and then installed the same way. Or an OE 2-piece seal could be used. Cutting the seal is NOT required; only an option.

The Track Boss rear main seal is the same manufacturer Kaase Racing Engine uses.

“Using the same manufacturing source as the Sprint Cup teams and following several years of testing, the seal makers produced the tooling, the prototype seals and now the production items exclusively for Kaase.” – Kaase Racing engines

Additional information

Size

1-Piece Seal (351C, M, W & 400), 1-Piece Seal (289/302)

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