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Home 1984-1997 Harley-Davidson Big Twin Evo Big Bore Top End Gasket Kit .030" - FKM Rubber MLS Steel
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1984-1997 Harley-Davidson Big Twin Evo Big Bore Top End Gasket Kit .030" - FKM Rubber MLS Steel

$80.60
Prices are in USD. Shipping calculated at checkout.
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🔍 Fitment Verified
🛡️ Warranty Included
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This big bore top end gasket kit offers a comprehensive sealing solution for Harley-Davidson Evolution engines equipped with larger cylinder bores. The set features .030" thick FKM rubber-coated stainless steel head gaskets and specialized Viton rubber rocker seals to ensure maximum heat resistance and oil retention. Every component is manufactured to precise standards to provide a reliable fit and long-term protection against leaks during high-performance engine operation.

This kit fits 1984-1997 Harley-Davidson Evolution Big Twin models, including Softail, Touring, and Dyna applications.

What's Included in this Kit

BIG TWIN SUB KIT
× 1
Seal, Intake Manifold
2699586B - Rubber
× 2
Carburetor Gaskets Touring, FX, Sportster & FXR
2905877FM - Foamet
× 1
Carburetor Gaskets Sportster, Touring, Softail & Dyna
2905988 - Interface
× 1
O-ring, Cylinder Head Locating, Use with Evo® Head Gaskets
2643276A - Rubber
× 4
Gasket, Exhaust Pipe to Cylinder Head, Flat Style
6532483M - Steel
× 2
Seal, Carburetor to Manifold
2700289 - Rubber
× 1
Valve Stem Seal Touring, Softail, Dyna & Trike
VSHA2V - FKM Rubber - 5/16 Stem / .420 Guide
× 4
Cylinder Base Gasket. Evolution 3-5/8 Big Bore Gasket
9730 - NBR Rubber Coated Single Steel
× 2
Big Bore Head Gasket - Big Twin
GBTMLSBB030 - FKM Rubber Coated Multi Layer Stainless Steel
× 2
RBKEVOEV
× 1
RBK SUB KIT
× 1
Rocker Base Gasket Fits Big Twin & Sportster
1680084 - Single Layer Steel
× 2
Rocker Box Kit Early Evolution Big Twin
RKBTEV - FKM Rubber
× 1

All items shipped together in one package.

Weight
0.813300
Parts Type
Top-End Gasket Kit
Sold As
Kit
Application Type
Stock Replacement
Material
FKM Rubber Coated Multi-Layer Stainless Steel
# of Layers
3
Head Gasket Thickness:
.030" (Compressed)
Head Gasket Bore Size
3.8125" - Big Bore

Compatible Models

18 Fits
Softail 1984–1991 8 models
Touring 1984–1991 6 models
Dyna 1991–1997 4 models

⚠ Always verify fitment before ordering.