Powroll Motor Performance - Since 1964  

 

 

For a limited time

 

 

Powroll

13840 Commercial Lp

Crooked River, OR

97760

 

Mail:

PO Box 920

Redmond OR  97756

 

Phone

541-923-1290

 

Fax

541-923-5637

 

Email

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Powroll - 4 Stroke Performance

 

 

 


ATC350X STOCK SPECIFICATIONS:    81mm BORE X 68mm STROKE   8.5:1 COMPRESSION


 

393cc BORE KIT

86mm Forged Piston, 10:1 - 13:1 Compression.

Excellent torque and good overall power with this kit.

INCLUDES: Sleeve, piston, pin, rings, circlips, headgasket.

REQUIRES: Resleeving, boring, rejetting. Uses stock basegasket (not included).

RECOMMENDED: 11:1 or higher compression requires race gas 110 octane or greater.

00254 H BORE KIT 393CC -- $335.00


Quantity

STROKER 6mm

430cc with our 86mm piston kit.

Excellent torque and quick throttle response.

INCLUDES: Work done on your crank. Parts, if needed, will cost extra.

REQUIRES: Send in your crank for modification.  Download our Stroker Booklet for details.

RECOMMENDED: Works best with Powroll pistons. Modifications may be required if using other piston or cam brands.

16069 H STROKE ATC350X -- $290.00


Quantity

CAMSHAFT - Midrange Grind

HARDWELD CAM, NO CORE REQUIRED

Lift .355” Intake, .360” Exhaust.

Good mid to top end in stock displacement engines. Great torque to midrange power with larger displacement engines.

REQUIRES: Valve Springs #24024.

RECOMMENDED: New or Hardfaced rockers.

12726N H CAM 350X MIDRANGE -- $185.00

Quantity


CAMSHAFT - Race Grind

HARDWELD CAM, NO CORE REQUIRED

Lift .360” Intake, .360” Exhaust

Designed for great mid to top end performance with larger displacement engines.

REQUIRES: Valve Springs #24024.

RECOMMENDED: New or Hardfaced rockers.

12725N H CAM 350X RACE -- $185.00

Quantity


ROCKERS - Hardfaced Rockers

HARDFACE, done on your cores

Designed to work with all aftermarket camshafts.  Highly recommended in any performance engine.

REQUIRES: Send in your good cores for work.  Turn-around is approximately 4 weeks.

23004 HARDFACE ROCKER - EA -- $65.00


Quantity

VALVE SPRINGS WITH TITANIUM RETAINERS

Designed for use with any performance cam which requires stronger springs.

24024 H VALVE SPRINGS 350X -- $130.00

Quantity

 

Powroll Motor Performance

13840 Commercial Lp  Crooked River, OR  97760     Phone (541) 923-1290    Fax  (541) 923-5637

Copyright © 2007 Powroll Inc.  All rights reserved.  All photos and text are the intellectual property of Powroll and cannot be reproduced without permission.

Descriptions and pricing are subject to change without notice.