Page 411 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

HYPEREUTECTIC PISTONS CLAIMER
Keith Black pistons have several important advan- PERFORMANCE PISTON SERIES
tages over conventional alloy pistons. High silicon Achieve maximum performance with high piston ring
content yields superior thermal and wear characteris- placement and low thermal conductivity. Top rings oper-
tics, greater strength, scuff and seizure protection, and ate at higher temps and require slightly larger end gaps
resistance to cracking. High silicon content also keeps (4.000" bore x .0065" gap factor = .026" total end gap).
heat in the combustion chambers, eliminating heat transfer and It is recommended that ignition timing be retarded 2-4°.
improving combustion. Pistons are machined for 5/64" top, 5/64" second and Pistons are machined for 5/64" top, second and 3/16" oil
3/16" oil ring unless noted. Sold in sets of eight with wrist pins (except Ford rings. Sold in sets of eight with wrist pins.
2300cc, sold in sets of four). Rod Comp Head
Rod Comp Head Part No. Description Bore Stroke Length Ratio Volume
Part No. Description Bore Stroke Length Ratio Volume Small Block Chevrolet 283-400
Small Block Chevrolet 283-400 KBP9902HC.030 Flat Top 4.030" 3.480" 5.700" 10.4:1 -5cc
KBPKB106.030* Flat Top 4.030" 3.480" 5.700" 10.2:1 -7cc KBP9902HC.040 Flat Top 4.040" 3.480" 5.700" 10.4:1 -5cc
KBP9902HC.060
10.4:1
4.060" 3.480" 5.700"
Flat Top
-5cc
KBPKB112.030* Flat Top 4.030" 3.480" 6.000" 10.2:1 -7cc KBP9903HC.030 Dome 4.030" 3.480" 5.700" 11.6:1 +14cc
KBPKB112.060* Flat Top 4.060" 3.480" 6.000" 10.2:1 -7cc KBP9903HC.040 Dome 4.040" 3.480" 5.700" 11.6:1 +14cc
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
10.4:1
-5cc
4.060" 3.480" 6.000"
Flat Top
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
KBPKB126.030 D-Cup 4.155" 3.750" 5.700" 9.1:1 -30cc
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
KBPKB135.030 Dish 4.030" 3.750" 5.700" 9.7:1 -18cc FORGED PISTONS
KBPKB147.030 Dish 4.155" 3.750" 5.700" 10.2:1 -18cc Quality alloy aluminum Forged Head Relief (FHR) pis-
KBPKB156.030 Flat Top 4.030" 3.250" 5.700" 9.6:1 -7cc tons accept 5/64" top, 5/64" second and 3/16" oil rings.
KBPKB156.040 Flat Top 4.040" 3.250" 5.700" 9.6:1 -7cc Sets of eight include wrist pins and Tru-Arc lock rings.
KBPKB156.060 Flat Top 4.060" 3.250" 5.700" 9.6:1 -7cc Rod Comp. Head
Part No. Description Bore Stroke Length Ratio Volume
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
KBPKB180.030* Dome 4.030" 3.480" 5.700" 11.9:1 +5.9cc ICNIC9913.040 Flat Top 4.040" 3.480" 5.700" 10.2:1 -6.4cc
KBPKB193.030 Dish 4.030" 3.480" 5.700" 9.6:1 -12cc ICNIC9913.060 Flat Top 4.060" 3.480" 5.700" 10.2:1 -6.4cc
ICNIC9933.030
+6cc
5.700"
12.0:1
4.030" 3.480"
Dome
KBPKB197.STD D-Cup 4.000" 3.750" 5.700" 10.3:1 -12cc ICNIC9933.060 Dome 4.060" 3.480" 5.700" 12.0:1 +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/ PREMIUM
KBPKB231.030* 4.030" 3.480" 5.700" 10.3:1 -6cc
LW FORGED SERIES PISTONS
Small Block Ford 289-351W Pistons are made of 2618 aluminum alloy and accept
KBPKB115.030 Flat Top 4.030" 2.870" 5.090" 9.1:1 -6cc 1/16" top, 1/16" second and 3/16" oil rings unless
KBPKB115.040 Flat Top 4.040" 2.870" 5.090" 9.1:1 -6cc otherwise noted. Sets of eight, include wrist pins and
KBPKB116.030 Dome 4.030" 2.870" 5.090" 9.9:1 +2cc spiral locks.
Rod
Head
KBPKB116.060 Dome 4.060" 2.870" 5.090" 9.9:1 +2cc Part No. Description Bore Stroke Length Comp. Volume
Ratio
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
KBPKB217.030* Flat Top 3.810" 3.126" 5.205" 8.7:1 -4.5cc ICNIC727.040 Dome 4.040" 3.480" 5.700" 12.0:1 6.3cc
KBPKB217.040* Flat Top 3.820" 3.126" 5.205" 8.7:1 -4.5cc ICNIC754.030 Step Dish 4.155" 3.750" 5.700" 10.6:1 -15.2cc
-4.9cc
9.8:1
Flat Top
ICNIC792.030
4.030"
5.700"
3.250"
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
KBPKB218.040* Flat Top 3.820" 3.126" 5.700" 8.7:1 -4.5cc ICNIC793.040 Dome 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" Small Block Ford 289-351W
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.
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