Page 316 - 2018 Racecar Engineering Open Wheel Parts and Accessories Catalog

WB Series Steel Shock Absorbers Steel Take Apart Shock Absorbers
Popular on Modifieds, Super Stocks or Street Stocks, fully rede- Gold iridite plated shocks may be converted to coil-over units with
signed black steel bodied shock absorbers accept coil-over kits, if kit PROC300. Offered in 7" and 9" strokes with several different
desired. Available in 7" and 9" strokes with several different valvings. valvings. Take Apart shocks accept bearing ends, which must be
Shocks include a bearing welded on both ends. May be run upside purchased separately.
down. Collapsed Extended Damping
Part No. Stroke Length Length Comp./Rebound
Collapsed Extended Damping
Part No. Stroke Length Length Comp./Rebound PROTA735 7" 12.50" 19.50" 3/5
PROWB735BK 7" 12.50" 19.50" 3/5 PROTA736 7" 12.50" 19.50" 3/6
PROWB74BK 7" 12.50" 19.50" 4/4
PROWB746BK 7" 12.50" 19.50" 4/6 PROTA740 7" 12.50" 19.50" 4/4
PROWB75BK 7" 12.50" 19.50" 5/5 PROTA746 7" 12.50" 19.50" 4/6
PROWB753BK 7" 12.50" 19.50" 5/3 PROTA748 7" 12.50" 19.50" 4/8
PROWB76BK 7" 12.50" 19.50" 6/6
PROWB763BK 7" 12.50" 19.50" 6/3 PROTA750 7" 12.50" 19.50" 5/5
PROWB77BK 7" 12.50" 19.50" 7/7 PROTA753 7" 12.50" 19.50" 5/3
PROWB791BK 7" 12.50" 19.50" 9/1 PROTA757 7" 12.50" 19.50" 5/7
PROWB93BK 9" 14.50" 23.50" 3/3 PROTA760 7" 12.50" 19.50" 6/6
PROWB935BK 9" 14.50" 23.50" 3/5
PROWB94BK 9" 14.50" 23.50" 4/4 PROTA762 7" 12.50" 19.50" 6/2
PROWB946BK 9" 14.50" 23.50" 4/6 PROTA763 7" 12.50" 19.50" 6/3
PROWB95BK 9" 14.50" 23.50" 5/5 PROTA767 7" 12.50" 19.50" 6/7
PROWB953BK 9" 14.50" 23.50" 5/3
PROWB96BK 9" 14.50" 23.50" 6/6 PROTA935 9" 14.50" 23.50" 3/5
PROWB97BK 9" 14.50" 23.50" 7/7 PROTA936 9" 14.50" 23.50" 3/6
PROTA940 9" 14.50" 23.50" 4/4
Coil-Over Kits PROC300WB PROTA946 9" 14.50" 23.50" 4/6
PROTA950 9" 14.50" 23.50" 5/5
Coil-Over Kits are designed for use with black
body “WB” series shocks. PROTA960 9" 14.50" 23.50" 6/6

Shock Absorber Hardware
A wide variety of replacement hardware is offered for both aluminum or steel body shock absorbers.
Part No. Description
Aluminum Bearing End,
PROB200A
2" Body Coil-Over Shocks, 1/2" ID Hole
PROB212 Standard Billet Rod End, ACF Shocks
PROB212-1 1" Extended Billet Rod End, ACF Shocks
Aluminum Bearing End,
PROB275
1.63" Body Coil-Over Shocks, 1/2" ID Hole
PROC305 Coil-Over Snap Ring, 2" Body Shocks
PROC510 1" Shock Extension
PROC520 2" Shock Extension
PROWB200 Steel Bearing End, 2" Body Coil-Over Shocks, 1/2" ID Hole PROB200A PROB212 PROB212-1 PROWB200 PROC305
PROZ902 Spanner Wrench, Allows Easy Coil-Over Adjustments

Street Series Forged Pistons
Manufactured by Wiseco, ProTru Street Series Forged Pistons are affordable with features found only in more expensive pistons. Pistons
are forged from 4032 aluminum, include oversized symmetrical, radiused valve pockets, precision finished piston pin bores, pin oiling and
ArmorGlide skirt coating. Sold in sets of eight complete with chromium alloy steel piston pins, Spirolox and piston rings.
Part No. Bore Stroke Rod Length Comp. Ht. Comp. Ratio
SB Chevy 350 Street Series 23° Hollow Dome
WPTPTS502A3 4.030" 3.480" 5.700" 1.560" 12.0:1
WPTPTS502A4 4.040" 3.480" 5.700" 1.560" 12.2:1
SB Chevy 350 Street Series 23° Flat Top (2-Valve Pockets)
WPTPTS503A3 4.030" 3.480" 5.700" 1.560" 9.8:1
WPTPTS505A3 4.030" 3.480" 6.000" 1.260" 9.8:1
WPTPTS505A6 4.060" 3.480" 6.000" 1.260" 10.0:1
WPTPTS506A4 4.040" 3.750" 6.000" 1.125" 10.5:1
WPTPTS506A6 4.060" 3.750" 6.000" 1.125" 10.5:1
SB Chevy 400 Street Series 23° Hollow Dome
WPTPTS535AS 4.125" 3.750" 6.000" 1.125" 13.3:1
WPTPTS535A4 4.165" 3.750" 6.000" 1.125" 13.6:1
NOTE: SB Chevy compression ratios are based upon 64cc combustion chamber volume.
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