540 BIG-BLOCK
  SOURCE PN PRICE
BIG M SPORTSMAN Dart 31273454 $2,300
ROTATING ASSEMBLY Scat 1-42370BI 1,765
MAIN STUDS ARP 135-5601 110
BALANCING Machine shop N/A 150
CYLINDER HONING Machine shop N/A 150
  TOTAL $4,475
COMMON COMBOS
DISPLACEMENT (CI) BORE* STROKE* DECK HEIGHT*
350 4.000 3.480 9.000
383 4.030 3.750 9.000
396 4.030 3.875 9.000
406 4.155 3.750 9.000
408 4.030 4.000 9.000
427 4.125 4.000 9.000
434 4.155 4.000 9.000
454 4.250 4.000 9.000
454 4.185 4.125 9.300
468 4.250 4.125 9.300
454 4.250 4.000 9.800
496 4.310 4.250 9.800
502 4.468 4.000 9.800
540 4.500 4.250 9.800
555 4.560 4.250 9.800
565 4.600 4.250 9.800
582 4.600 4.375 9.800
598 4.600 4.500 10.200
632 4.600 4.750 10.200
665 4.600 5.000 10.700
780 4.750 5.500 11.600
*measurements in inches
CRANK STRENGTH
MATERIAL TENSILE STRENGTH (PSI) USAGE
Cast iron 70,000-80,000 OE engines
Nodular iron 95,000 OE engines
Cast steel 105,000 Top-of-the-line casting
5140 steel 115,000 Sportsman-grade forging
4130 steel 120,000-125,000 Premium street/strip alloy
4340 steel 140,000-145,000 Premium street/strip alloy

Cubic inches alone won't get you very far, which is why Brodix has a set of heads up to the task of feeding the beasts its spread-bore blocks are bound to create. These 14.5-degree castings feature 2.520-inch intake valves and flow 557 cfm, good for close to 1,200 hp.



SOURCE
Callies/Compstar Lunati
4770 Lamar Ave.
Memphis
TN  38181
901-365-0950
www.lunaticamshafts.com
Coast High Performance
1650 W. 228th St.
Torrance
CA  90501
310-784-2977
www.coasthigh.com
Northern Auto Parts
www.northernautoparts.com
Eagle Specialty Products
Southaven
MS
6-62/-796-7373
eaglerod.com
Powerhouse
931 19th St.
Bakersfield
CA  93301
www.enginekits.com
Jegs
http://www.jegs.com
RPM International
Kellogg Crankshaft Summit Racing
P.O. Box 909
Akron
OH  44309-0909
800-230-3030
www.summitracing.com