Load image into Gallery viewer, 8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore
Load image into Gallery viewer, 8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore
Load image into Gallery viewer, 8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore
Load image into Gallery viewer, 8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore
Load image into Gallery viewer, 8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore
Load image into Gallery viewer, 8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore

PART #: 8740-4060

8740-4060 347 Stroker Small Block Ford 289 - 302 E Series -6cc Dish Top SBF 20 Degree Inline Forged Piston Set 4.060 inch bore

Regular price $439.95
Sale price $439.95 Regular price
Sale Sold out
Unit price
/per 
Ships in 1 - 8 days

Ships in 1 - 8 days

Made in the USA

Made in the USA

Secure Payment

Secure Payment

Piston & Ring Kit Option:
This is a pre order item. We will ship it when it comes in stock.

352 Small Block Ford 289 - 302, E 4032 Alloy, Comp Height: 1.09, -6cc Dish Top, PIN: .912", Full-Floating or Press Fit, Ring Groove: 5/64-5/64-3/16" , Stroke: 3.400", ROD: 5.4, Approx Comp Ratio: 58cc-10.95, 64cc-10.19, 70cc-9.53


Engine Brand: Ford

Engine Family: Small Block Ford 289 - 302

Engine Size: 347 Stroker

With/Without Rings: Without Rings

Cylinder Bore Size: 4.060 in , 103.043 mm

Ring Width: 5/64-5/64-3/16"

Compression Height: 1.090"

Pin Diameter: 0.912"

Connecting Rod Length: 5.400"

Crankshaft Stroke: 3.400"

Piston Series: E 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: SBF 20 Degree Inline

TDC Assembly Height: 8.190"

Piston Top Aprox. Comp. Ratio:

-6cc Dish Top SBF 20 Degree Inline
ChamberComp Ratio
5810.95 to 1
6410.19 to 1
709.53 to 1

Download Piston Instructions

 
Features: Piston Series
 

E series

 SX series  1-FX series  2-FX series  3-FX series
Broached pin oiling slots

x

x

 

 

 

Drilled, forced wrist pin oiling

 

x

x

x

x

Forged drain-back windows

x

 

 

 

 

Drilled bottom ring land intersecting oil groove drain-backs

 

x

x

x

x

Slightly larger, deeper valve reliefs than OEM

x

 

 

 

 

CNC machined valve reliefs for moderate performance heads and cam combinations

 

x

Larger, deeper CNC valve reliefs for more aggressive cylinder head and cam combinations

 

 

x

x

x

Premium Aircraft spec. 4032 low expansion alloy

x

x

x

 

 

Premium Aircraft spec. 2618 alloy

 

 

 

x

x

Blower, Turbo, NOS ready

 

x

x

x

x

Brushed piston crown

 

 

x

x

x

Turned dishs

x

x

 

 

 

Max Quench milled dishs

 

 

x

x

x

Additional CNC milling for weight reduction in non-critical areas

 

 

x

x

x

Patented “X Groove” skirt for superior cylinder and ring life

 

 

x

x

x

Thinner/shallower Ring grooves for maximum ring seal and land strength

 

 

x

x

x

Low volume contact reduction grooves    

x

x

x

2nd ring land accumulator groove prevents ring flutter    

x

x

x

3rd ring land scraper relief    

x

x

x

Oil ring groove relief reservoir    

x

x

x

Inner and outer pin boss weight reduction radiusing    

x

x

x

Tighter control of crown thickness yields consistently lighter parts    

x

x

x

Dynamic skirt milling controls skirt thickness for consistently lighter parts  

 

x

x

x

Diamond-turned high strength skirts

x

x

x

x

x

High-strength piston pins

x

x

x

x

x

Extreme Duty XR wrist pins      

 

x

Horizontal Gas Ports enhance ring seal        

x

Forged and machined in the USA

x

x

x

x

x

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 289 - 302

Engine Size: 347 Stroker

With/Without Rings: Without Rings

Cylinder Bore Size: 4.060 in , 103.043 mm

Ring Width: 5/64-5/64-3/16"

Compression Height: 1.090"

Pin Diameter: 0.912"

Connecting Rod Length: 5.400"

Crankshaft Stroke: 3.400"

Piston Series: E 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: SBF 20 Degree Inline

TDC Assembly Height: 8.190"

Piston Top Aprox. Comp. Ratio:

-6cc Dish Top SBF 20 Degree Inline
ChamberComp Ratio
5810.95 to 1
6410.19 to 1
709.53 to 1

Download Piston Instructions

Piston Series Comparison Chart
 
Features: Piston Series
 

E series

 SX series  1-FX series  2-FX series  3-FX series
Broached pin oiling slots

x

x

 

 

 

Drilled, forced wrist pin oiling

 

x

x

x

x

Forged drain-back windows

x

 

 

 

 

Drilled bottom ring land intersecting oil groove drain-backs

 

x

x

x

x

Slightly larger, deeper valve reliefs than OEM

x

 

 

 

 

CNC machined valve reliefs for moderate performance heads and cam combinations

 

x

Larger, deeper CNC valve reliefs for more aggressive cylinder head and cam combinations

 

 

x

x

x

Premium Aircraft spec. 4032 low expansion alloy

x

x

x

 

 

Premium Aircraft spec. 2618 alloy

 

 

 

x

x

Blower, Turbo, NOS ready

 

x

x

x

x

Brushed piston crown

 

 

x

x

x

Turned dishs

x

x

 

 

 

Max Quench milled dishs

 

 

x

x

x

Additional CNC milling for weight reduction in non-critical areas

 

 

x

x

x

Patented “X Groove” skirt for superior cylinder and ring life

 

 

x

x

x

Thinner/shallower Ring grooves for maximum ring seal and land strength

 

 

x

x

x

Low volume contact reduction grooves    

x

x

x

2nd ring land accumulator groove prevents ring flutter    

x

x

x

3rd ring land scraper relief    

x

x

x

Oil ring groove relief reservoir    

x

x

x

Inner and outer pin boss weight reduction radiusing    

x

x

x

Tighter control of crown thickness yields consistently lighter parts    

x

x

x

Dynamic skirt milling controls skirt thickness for consistently lighter parts  

 

x

x

x

Diamond-turned high strength skirts

x

x

x

x

x

High-strength piston pins

x

x

x

x

x

Extreme Duty XR wrist pins      

 

x

Horizontal Gas Ports enhance ring seal        

x

Forged and machined in the USA

x

x

x

x

x