To get the latest news about Vigilante Performance's sales and new products, please enter your email address below.





  Home > Pistons > Probe Forged Pistons > SRS - Sportsman Race Series > Ford > Ford - 351 Windsor > Flat Top > Twisted Wedge 11R Head >

Probe Forged Pistons_SRS Series_Ford 438W Big Bore_Flat_1.240 C/H_4.125 Base Bore_-4.0cc_.927 Pin_Twisted Wedge 11R Head
Probe Forged Pistons

Photo may not be actual product



 


Available Part Numbers/Oversize

8101-1-74716-000 - 4.125
8101-1-74716-020 - 4.145
8101-1-74716-030 - 4.155


Probe Industries Sportsman Race Series (SRS) Forged Pistons are designed for high performance street and all racing applications. They are available in a wide variety of designs, tuned to achieve the highest performance possible. Any combination from high performance street to mild nitrous or boost to race only cars will find Probe SRS Series Forged Pistons to be the perfect piston for virtually any application.
  • 2618-t6 Forged Aluminum
  • Lightweight wrist pins
  • Lightweight piston designs
  • Full floating wrist pins
  • Tight running clearances
  • Low Friction Narrow piston rings
  • Broached Pin Oilers
  • Low drag skirt design
  • Large variety of compression ratios
  • Design specific valve reliefs
  • Nitrous - to 250 H/P
  • Forced Induction - 12 lbs
  • Four (each) minimum order quantity
Custom sizes and applications are also available. Additional cost and manufacture times may apply.
Allow approximately 6 weeks for manufacture. Delivery times may vary seasonally.




Add a Total Seal Performance Ring Set......click here

www.P65Warnings.ca.gov






Item# Item Name Price Qty Add
8101-1-74716-000 SRS Pistons_Ford 438W_Flat_4.125 Bore_-4.0cc
$950.00
8101-1-74716-020 SRS Pistons_Ford 443W_Flat_4.145 Bore_-4.0cc
$950.00
8101-1-74716-030 SRS Pistons_Ford 445W_Flat_4.155 Bore_-4.0cc
$950.00
Check the items you wish to purchase, then click


Technical Specs:
Item Code 8101-1-74716
Vendor Probe Industries
Product Type Pistons
Product Model Sportsman Race Series - SRS
Nitrous 250 H/P
Forced Induction 12 lbs
Engine Displacement 438
Engine Family Ford - 351 Windsor
Material 2618-t61
Base Bore 4.125
Stroke 4.100
Rod Length 6.200
Compression Height 1.240
Top Type Flat
Net Piston Volume -4.0
Minimum Deck Thickness .180
Valve Pocket Location Twisted Wedge 11R
Valve Pocket Cutters 2.200 Intake - 1.700 Exhaust
Valve Pocket Depth .200 Intake - .150 Exhaust
Weight TBA
Wrist Pin Type 5115 Carbon Steel
Wrist Pin Diameter .927
Wrist Pin Length 2.500
Wall Thickness .150
Wrist Pin Weight 118 grams
Pin Oilers Forced
Pin Lock Type Double Spiral
Oil Support Rail No
Rings Included No
Ring Grooves 1.5 - 1.5 - 3.0
Gas Ports No
Gas Port Size N/A
Ring Lands .260 - .180 - .080
Quantity Sold in sets of 8
Minimum Order Quantity 4 (each)
Notes




Compression Ratio:
Cylinder Head Volume
Part Number Net cc 58cc 61cc 64cc 72cc
8101-1-74716-000 -4.0 13.25 12.77 12.33 11.29
8101-1-74716-020 -4.0 13.37
12.88 12.43 11.39
8101-1-74716-030 -4.0 13.43 12.94 12.49 11.44
Computed with .010 deck and .040 x 4.200 gasket



Browse for more products in the same category as this item:

Pistons > Probe Forged Pistons > SRS - Sportsman Race Series > Ford > Ford - 351 Windsor > Flat Top > Twisted Wedge 11R Head