Page 463 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

Hypereutectic Pistons Claimer Series Performance Pistons
Keith Black pistons have several important Achieve maximum performance with high
advantages over conventional alloy pistons. piston ring placement and low thermal conduc-
High silicon content yields superior thermal tivity. Top rings operate at higher temps and
and wear characteristics, greater strength, require slightly larger end gaps (4.000" bore x
scuff and seizure protection, and resistance .0065" gap factor = .026" total end gap). It is
to cracking. High silicon content also keeps heat in the recommended that ignition timing be retarded
combustion chambers, eliminating heat transfer and improving 2-4°. Pistons are machined for 5/64" top, sec-
combustion. Pistons are machined for 5/64" top, 5/64" second ond and 3/16" oil rings. Sold in sets of eight with wrist pins.
and 3/16" oil ring unless noted. Sold in sets of eight with wrist Rod Comp Head
pins (except Ford 2300cc, sold in sets of four). Part No. Description Bore Stroke Length Ratio Volume
Small Block Chevrolet 283-400
Rod Comp Head
Part No. Description Bore Stroke Length Ratio Volume KBP9902HC.030 Flat Top 4.030" 3.480" 5.700" 10.4:1 -5cc
Small Block Chevrolet 283-400 KBP9902HC.040 Flat Top 4.040" 3.480" 5.700" 10.4:1 -5cc
-5cc
KBPKB106.030* Flat Top 4.030" 3.480" 5.700" 10.2:1 -7cc KBP9902HC.060 Flat Top 4.060" 3.480" 5.700" 10.4:1 +14cc
Dome
4.030" 3.480" 5.700"
11.6:1
KBP9903HC.030
KBPKB112.030* Flat Top 4.030" 3.480" 6.000" 10.2:1 -7cc KBP9903HC.040 Dome 4.040" 3.480" 5.700" 11.6:1 +14cc
KBPKB112.060* Flat Top 4.060" 3.480" 6.000" 10.2:1 -7cc KBP9909HC.040 Flat Top 4.040" 3.750" 6.000" 11.1:1 -5cc
KBPKB119.030 Dome 4.030" 3.480" 5.700" 11.2:1 +.5cc KBP9904HC.030 Dome 4.030" 3.480" 5.700" 11.6:1 +4cc
KBPKB119.040 Dome 4.040" 3.480" 5.700" 11.2:1 +.5cc KBP9908HC.030 Flat Top 4.030" 3.480" 6.000" 10.4:1 -5cc
KBP9908HC.060
Flat Top
10.4:1
-5cc
4.060" 3.480" 6.000"
KBPKB120.020 Flat Top 4.020" 3.480" 5.700" 10.2:1 -7cc KBP9911HC.030 Flat Top 4.155" 3.750" 5.700" 11.7:1 -5cc
KBPKB120.030 Flat Top 4.030" 3.480" 5.700" 10.2:1 -7cc Note: Compression ratios are based on a 64cc combustion chamber.
KBPKB120.040 Flat Top 4.040" 3.480" 5.700" 10.2:1 -7cc
KBPKB120.060 Flat Top 4.060" 3.480" 5.700" 10.2:1 -7cc
KBPKB122.030* Flat Top 4.030" 3.750" 6.000" 10.9:1 -7cc
KBPKB122.040* Flat Top 4.040" 3.750" 6.000" 10.9:1 -7cc
KBPKB125.030 Flat Top 4.155" 3.750" 5.700" 11.4:1 -7cc
KBPKB129.030 Dome 4.155" 3.750" 6.000" 12.9:1 +3.25cc
KBPKB134.030 Flat Top 4.030" 3.750" 5.700" 10.9:1 -7cc
KBPKB134.040 Flat Top 4.040" 3.750" 5.700" 10.9:1 -7cc FHR Series Forged Pistons
KBPKB135.030 Dish 4.030" 3.750" 5.700" 9.7:1 -18cc Quality alloy aluminum Forged Head Relief
KBPKB147.030 Dish 4.155" 3.750" 5.700" 10.2:1 -18cc (FHR) pistons accept 5/64" top, 5/64" second
KBPKB156.030 Flat Top 4.030" 3.250" 5.700" 9.6:1 -7cc and 3/16" oil rings. Sets of eight include wrist
KBPKB156.040 Flat Top 4.040" 3.250" 5.700" 9.6:1 -7cc pins and Tru-Arc lock rings.
Rod
Head
KBPKB156.060 Flat Top 4.060" 3.250" 5.700" 9.6:1 -7cc Part No. Description Bore Stroke Length Comp. Volume
Ratio
KBPKB157.030 Dome 4.030" 3.250" 5.700" 10.5:1 +.5cc Small Block Chevrolet 283-400
KBPKB157.040 Dome 4.040" 3.250" 5.700" 10.5:1 +.5cc ICNIC9913.030 Flat Top 4.030" 3.480" 5.700" 10.2:1 -6.4cc
KBPKB193.030 Dish 4.030" 3.480" 5.700" 9.6:1 -12cc ICNIC9913.040 Flat Top 4.040" 3.480" 5.700" 10.2:1 -6.4cc
KBPKB197.STD D-Cup 4.000" 3.750" 5.700" 10.3:1 -12cc ICNIC9913.060 Flat Top 4.060" 3.480" 5.700" 10.2:1 -6.4cc
ICNIC9933.030
12.0:1
Dome
4.030" 3.480"
5.700"
+6cc
KBPKB197.030 D-Cup 4.030" 3.750" 5.700" 10.3:1 -12cc ICNIC9941.030 Flat Top 4.155" 3.750" 5.700" 11.9:1 -3.7cc
KBPKB197.040 D-Cup 4.040" 3.750" 5.700" 10.3:1 -12cc Note: Compression ratios are based on a 64cc combustion chamber.
KBPKB228.030 Flat Top 4.030" 3.480" 5.700" 10.2:1 -7cc
Flat Top/
KBPKB231.030* 4.030" 3.480" 5.700" 10.3:1 -6cc Premium Forged Series Pistons
LW
Small Block Ford 289-351W Pistons are made of 2618 aluminum alloy
KBPKB115.030 Flat Top 4.030" 2.870" 5.090" 9.1:1 -6cc and accept 1/16" top, 1/16" second and 3/16"
KBPKB115.040 Flat Top 4.040" 2.870" 5.090" 9.1:1 -6cc oil rings unless otherwise noted. Sets of eight,
include wrist pins and spiral locks.
KBPKB116.030 Dome 4.030" 2.870" 5.090" 9.9:1 +2cc
Rod Comp. Head
KBPKB116.060 Dome 4.060" 2.870" 5.090" 9.9:1 +2cc Part No. Description Bore Stroke Length Ratio Volume
KBPKB246.030* Flat Top 4.030" 3.400" 5.400" 10.0:1 -6.5cc Small Block Chevrolet 283-400
Ford 2300cc 4-Cylinder (Sold in sets of four) ICNIC727.030 Dome 4.030" 3.480" 5.700" 12.0:1 6.3cc
Dome
KBPKB217.030* Flat Top 3.810" 3.126" 5.205" 8.7:1 -4.5cc ICNIC727.040 Step Dish 4.040" 3.480" 5.700" 12.0:1 6.3cc
5.700"
4.155"
10.6:1 -15.2cc
3.750"
ICNIC754.030
KBPKB217.040* Flat Top 3.820" 3.126" 5.205" 8.7:1 -4.5cc ICNIC792.030 Flat Top 4.030" 3.250" 5.700" 9.8:1 -4.9cc
KBPKB218.030* Flat Top 3.810" 3.126" 5.700" 8.7:1 -4.5cc ICNIC792.040 Flat Top 4.040" 3.250" 5.700" 9.8:1 -4.9cc
ICNIC793.040
Dome
KBPKB218.040* Flat Top 3.820" 3.126" 5.700" 8.7:1 -4.5cc Small Block Ford 289-351W 4.040" 3.250" 5.700" 11.2:1 6.3cc
Notes: * Signifies piston machined for 1/16" top, 1/16" second and 3/16" oil
rings. Compression ratios are based on a 64cc combustion chamber. ICNIC736.030 Dome 4.030" 3.000" 5.090" 10.6:1 6.8cc
Note: Compression ratios are based on a 64cc combustion chamber.
2019-20 CIRCLE TRACK PARTS AND ACCESSORIES 459